Exercise 1. Use the Maclaurin series of tan-¹(u) tan ¹ (u) =U- to approximate the definite integral with an error of no more than 0.0000001. u³ U² + 3 5 u⁹ + 7 9 7 U 0.1 [0.3+ tan ¹(x²) dx U 11

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Question
**Exercise 1.** Use the Maclaurin series of \(\tan^{-1}(u)\)

\[
\tan^{-1}(u) = u - \frac{u^3}{3} + \frac{u^5}{5} - \frac{u^7}{7} + \frac{u^9}{9} - \frac{u^{11}}{11} + \cdots
\]

to approximate the definite integral

\[
\int_{0}^{0.1} \tan^{-1}(x^2) \, dx
\]

with an error of no more than 0.0000001.
Transcribed Image Text:**Exercise 1.** Use the Maclaurin series of \(\tan^{-1}(u)\) \[ \tan^{-1}(u) = u - \frac{u^3}{3} + \frac{u^5}{5} - \frac{u^7}{7} + \frac{u^9}{9} - \frac{u^{11}}{11} + \cdots \] to approximate the definite integral \[ \int_{0}^{0.1} \tan^{-1}(x^2) \, dx \] with an error of no more than 0.0000001.
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At the end how did you solve the sum to get that result? 

I see you replace the x with 0.1 in the last step and I understand that the rest becomes zero when solving th integral, but what did you replace n with to solve the sum? 

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