Calculus: Early Transcendentals (2nd Edition)

Published by Pearson
ISBN 10: 0321947347
ISBN 13: 978-0-32194-734-5

Chapter 7 - Integration Techniques - 7.1 Basic Approaches - 7.1 Exercises - Page 514: 2


You would expand $\int(x^4+2)^2 dx$ so that the integral becomes $\int(x^8+4x^4+4) dx$

Work Step by Step

Integrating $\int(x^4+2)^2 dx$ is a lot harder than integrating $\int(x^8+4x^4+4) dx$. $\int(x^4+2)^2 dx = \int(x^4+2)(x^4+2) dx$ = $\int(x^8+4x^4+4) dx$.
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