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Remainder Theorem. The n-th Talor polynomial The polynomial is called the n-th Taylor polynomial for f about c.

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Presentation on theme: "Remainder Theorem. The n-th Talor polynomial The polynomial is called the n-th Taylor polynomial for f about c."— Presentation transcript:

1 Remainder Theorem

2 The n-th Talor polynomial The polynomial is called the n-th Taylor polynomial for f about c

3 The n-th Maclaurin polynomial The polynomial is called the n-th Maclaurin polynomial for f

4 Taylor formula for f with the Remainder The difference is called the n-th remainder for the Taylor series of f about c.

5 Thr Remainder Theorem Assume that all the first n+1 derivatives exist on an interval l containing c and

6 Example (1) Approximate e to five decimal places

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9 Why we chose n=9 ?

10 Example (2) Approximate sin3 ○ to five decimal places

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13 Approximating the sum of a convergent alternating series

14 Theorem Let T be the sum of an alternating series satisfying the main convergence test for an alternating series. Then: 1. T lies between any two successive partial sums of the series 2. If T is approximated by a partial sum T n, then: a. |T - T n | ≤ a n+1 b. The sign of the error is the same as that of the coefficient of a n+1

15 Using power series to approximate definite integrals

16 Example Give an estimation of the integral on the right accurate to 3 decimal places

17 A power series for the given integral

18 Approximating the integral

19 Homework

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