The function is defined by .
Find the Maclaurin series for up to and including the term in .
Hence find a polynomial approximation to , giving your answer as a single fraction.
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Consider the function .
Find the Maclaurin series for up to and including the term in .
Hence find .
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Consider the function .
Find the Maclaurin series for up to and including the term in .
State the interval of convergence for this series.
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Let .
Find the Maclaurin series for up to and including the term in .
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Consider the function .
Determine the Maclaurin series for up to and including the term in .
State the set of values of for which this series converges.
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Let
Using the Maclaurin series for , find the Maclaurin series for up to and including the term in .
Hence find the Maclaurin series for up to and including the term in .
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The geometric series is
By differentiating term by term, find the Maclaurin series for up to and including the term in .
State the interval of convergence of this series.
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Find
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Let .
Find the Maclaurin series for up to and including the term in .
Use your series to estimate .
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Let .
Find the Maclaurin series for up to and including the term in .
Use your series to estimate .
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Let
where the integrand is defined by its limiting value at .
Find the Maclaurin series for up to and including the term in .
Use your series to estimate .
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Let
Determine the Maclaurin series for up to and including the term in .
Hence find .
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A function satisfies the differential equation
with .
Find , , and .
Hence find the Maclaurin series for up to and including the term in .
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Let
where is a real constant. The coefficient of in the Maclaurin series for is .
Find the possible values of .
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Let .
Find the Maclaurin series for up to and including the term in .
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Let
Find the Maclaurin series for up to and including the term in .
Hence find
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The Maclaurin series for may be found using the series for and .
Show that .
Using this series, estimate the smallest positive value of for which .
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A function satisfies the differential equation
with and .
Find and .
Find the Maclaurin series for up to and including the term in .
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Let .
Find the Maclaurin series for up to and including the term in .
Hence find .
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Let .
Find the Maclaurin series for up to and including the term in .
Using this series, estimate the smaller positive solution (the solution close to ) of .
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Consider the third-degree Maclaurin polynomial for .
Write down this polynomial and state the interval of convergence of the corresponding infinite series.
Use a GDC to determine the largest positive value of for which .
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Let , where is close to .
Find the Maclaurin series for up to and including the term in .
Find the Maclaurin series for up to and including the term in .
Hence find the Maclaurin series for up to and including the term in .
Hence determine
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The function is defined by where the integrand is defined by its limiting value at .
Starting from , obtain the Maclaurin series for up to and including the term in .
State the interval of convergence of the series for .
Hence find the Maclaurin series for up to and including the term in .
Using the first four non-zero terms of this series, find an approximate value for as a single fraction.
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For , let , and define .
Find the Maclaurin series for up to and including the term in .
Hence find the Maclaurin series for up to and including the term in . If you did not obtain the series in part (a)(i), use .
Hence determine
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The function is defined by
Find the Maclaurin series for up to and including the term in .
Hence find the Maclaurin series for up to and including the term in .
Show that .
Hence determine
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Let
Write down the Maclaurin series for and for up to and including the term in .
Hence find the Maclaurin series for up to and including the term in .
Using the series from part (a), approximate
Justify why every odd derivative of at is zero.
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A function satisfies
with and .
By writing , determine the Maclaurin series for up to and including the term in .
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The polynomial is the Maclaurin polynomial for up to and including the term in .

Write down .
State why the error function is an odd function.
Use a GDC to determine the largest positive value of for which
Hence state the interval, symmetric about zero, on which approximates with absolute error less than .
Explain why the Maclaurin series for itself converges for all real , but the polynomial does not give a uniformly accurate approximation for all real .
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A function satisfies
with .
Determine the Maclaurin series for up to and including the term in .
Use this series to estimate .
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For , define , and define by its removable continuous extension. Show that the Maclaurin series for , up to and including the term in , is .
Show that the Maclaurin series for , up to and including the term in , is .
Hence find .
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The value of can be approximated using . In this question, a Maclaurin series for is obtained by integration.
Use the binomial expansion to show that
Hence find the Maclaurin series for up to and including the term in .
Use the series from part (a) to estimate .
The next term in the series for is . You may use that, for the terms of this series evaluated at , the ratio of each term to the preceding term is less than . Use this to find an upper bound for the error in your estimate in part (b), and state whether the estimate is an underestimate or an overestimate.
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A function satisfies the differential equation with and .
Find and .
Find and . If you did not obtain and , use these values in this part.
Hence find the Maclaurin series for up to and including the term in .
Using this series, approximate .
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For a real constant , define
Find the Maclaurin series for up to and including the term in .
Given that the coefficient of is zero and , find .
Hence determine
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A function satisfies the differential equation with and . Suppose
Write down , and .
By substituting the series into the differential equation, show that
Hence find the Maclaurin series for up to and including the term in .
Using this series, find an approximate value for as a single fraction.
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Let
Write down the Maclaurin series for up to and including the term in .
Using the Maclaurin series for , find the Maclaurin series for up to and including the term in .
Hence determine
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Let
Write down the Maclaurin series for up to and including the term in .
Find the Maclaurin series for up to and including the term in .
Hence find , and .
Determine
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A function satisfies with .
Find , , and .
Hence find the Maclaurin series for up to and including the term in . If you did not obtain the derivative values in part (a)(i), use , , and .
Using this series, approximate .
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Let
Using the Maclaurin series for and , find the Maclaurin series for up to and including the term in .
State the interval of convergence of the series for .
Let . Find the Maclaurin series for up to and including the term in .
Hence determine
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The function is defined by
The polynomial is the Maclaurin polynomial for up to and including the term in .
Write down the Maclaurin series for and for up to and including terms in .
Hence determine .
Use to find a polynomial approximation for
Using the approximation from part (b), determine the two positive values of for which .
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Let
Write down the Maclaurin series for up to and including the term in .
Hence find the Maclaurin series for up to and including the term in .
Using your series, estimate the smallest positive solution of .
Hence determine the exact value of
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A function satisfies the differential equation
with and .
Find and .
By writing , find a recurrence relation for the coefficients.
Hence determine the Maclaurin series for up to and including the term in .
Using the polynomial found in part (b), estimate the first positive value of for which .
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Consider
and
By writing , find a recurrence relation for the coefficients.
Hence write the Maclaurin series for up to and including the term in .
Use the series in part (a) to find the Maclaurin series for up to and including the term in .
Show that
Determine, using a GDC, the positive solution of . Then find the value given by solving the polynomial approximation from part (b).
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The inverse sine function may be written as
Use the binomial expansion to find the Maclaurin series for up to and including the term in .
Hence find the Maclaurin series for up to and including the term in .
Use the series in part (a) with to obtain an approximation for .
Calculate the absolute error in the approximation from part (b).
Using a GDC and the series generated by integrating the binomial expansion, determine the least odd power that must be included so that the resulting approximation to has absolute error less than .
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Let
Write down the Maclaurin series for and up to the terms needed to find as far as .
Hence determine the Maclaurin series for up to and including the term in .
Use your series to estimate
Use a GDC to evaluate the integral in part (b) directly and hence find the absolute error in the estimate.
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A function satisfies
with .
Let . Find a recurrence relation for the coefficients.
Hence find the Maclaurin series for up to and including the term in .
Using the polynomial found in part (a), estimate the positive value of for which .
The exact solution may be written in the form
Verify this expression and use a GDC to find the positive value of for which the exact solution has value .
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A damped oscillation is modelled by for . A fourth-degree Maclaurin polynomial is to be used as a simple approximation to near .

Write down the Maclaurin series for and up to and including the term in .
Hence find for .
Use to estimate .
Using a GDC, determine the largest value of in such that for all . If you did not obtain , use .
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For , define . This function represents the small difference between two angle measurements.

Write down the first four non-zero terms of the Maclaurin series for and for .
Hence find the first three non-zero terms in the Maclaurin series for .
Use the series from part (a) to estimate .
Justify that for .
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A function is defined by the differential equation with .
By writing , find a recurrence relation for the coefficients.
Find the Maclaurin series for up to and including the term in .
Use your series to estimate .
Deduce a general expression for the non-zero coefficients of the series.
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The curve is to be approximated near by an even polynomial .
Expression | Role |
|---|---|
Curve near | |
Even polynomial approximation |
Use the identity to find , and .
Use to estimate .
Given that the next non-zero term in the Maclaurin series for is positive, state whether your estimate in part (b) is an underestimate or an overestimate. Justify your answer by considering the sign of the entire omitted tail, not only the next term.
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For a real parameter , let A value of is chosen so that the quadratic term in the Maclaurin series of is zero.
Find the coefficient of in the Maclaurin series for .
Determine the required value of , and find the Maclaurin series for up to and including the term in .
Hence find
Using the polynomial found in part (a), estimate the small positive solution (the solution closest to ) of . If you did not obtain a polynomial, use .
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For small positive , the difference may be approximated by a polynomial.

Find the Maclaurin series for up to and including the term in .
Find the value of for which is finite and non-zero, and find the value of the limit.
Using the polynomial from part (a), estimate the smallest positive solution of .
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For , define
Show that .
Explain why is an approximation to .
Calculate and the absolute error .
Using the alternating series error estimate, show that
Determine the least value of for which this error bound is less than .
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For sufficiently small , let be defined implicitly by
Assume that
Write the Maclaurin series for up to and including the term in .
By substituting the assumed series into , show that
Use this series to estimate the solution of .
Use a GDC to find the actual solution of and hence find the percentage error in the estimate from part (b).
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A rational approximation to is given by
where , and are constants. The coefficients of , and in the Maclaurin series for are to match those of .
Find the Maclaurin series for up to and including the term in .
Hence show that , and .
Use to approximate .
Compare the percentage error of this approximation with that of the third-degree Maclaurin polynomial for at .
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A function is represented by a Maclaurin series and satisfies
with . Assume that .
Let . Show that and that, for ,
Hence find the Maclaurin series for up to and including the term in .
Using this polynomial approximation, estimate the first positive zero of .
Explain why the approximation in part (b) should be treated with caution.
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A function satisfies the differential equation with and . Let
Show that for .
Hence find the Maclaurin series for up to and including the term in .
Use your series to estimate .
Prove that all odd-power coefficients after are zero.
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For , define and define by continuity. The integral is to be estimated using a Maclaurin series.
Find the Maclaurin series for .
Use the first three non-zero terms to estimate .
The integrated series is alternating for . Determine the minimum number of terms of the series for that must be integrated so that the alternating-series error bound for is less than .
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A function satisfies with and . Let
Find a recurrence relation for the coefficients .
Find the Maclaurin series for up to and including the term in .
Use your series to estimate .
Prove that for all integers .
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The function occurs in a model of diffusion. Its Maclaurin series may be found using products of series.
Find the Maclaurin series for up to and including the term in .
Hence find the Maclaurin series for up to and including the term in .
Use the series from part (a) to estimate .
Show that satisfies the differential equation , and use this equation to verify the coefficient of in your series.
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For , define with defined by continuity. This function is used to study the central peak of a wave pattern.

Show that
Hence find the Maclaurin series for up to and including the term in .
Use your answer to part (a) to estimate the positive value of for which .
Explain why the Maclaurin series for contains only even powers of .
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