29. Use parts to derive the formula - In │x + √√x² − 1| + C sec-¹x dx = x sec-¹x - In

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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**Problem 29: Integration by Parts**

Use parts to derive the formula:

\[
\int \sec^{-1} x \, dx = x \sec^{-1} x - \ln \left| x + \sqrt{x^2 - 1} \right| + C
\]

In this problem, you are asked to apply integration by parts to find the antiderivative of the inverse secant function. The formula for integration by parts is given by:

\[
\int u \, dv = uv - \int v \, du
\]

To solve this integral, carefully choose \( u \) and \( dv \) from the given equation, and then differentiate and integrate accordingly. Finish by simplifying the expression to arrive at the formula provided.
Transcribed Image Text:**Problem 29: Integration by Parts** Use parts to derive the formula: \[ \int \sec^{-1} x \, dx = x \sec^{-1} x - \ln \left| x + \sqrt{x^2 - 1} \right| + C \] In this problem, you are asked to apply integration by parts to find the antiderivative of the inverse secant function. The formula for integration by parts is given by: \[ \int u \, dv = uv - \int v \, du \] To solve this integral, carefully choose \( u \) and \( dv \) from the given equation, and then differentiate and integrate accordingly. Finish by simplifying the expression to arrive at the formula provided.
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