Thomas' Calculus 13th Edition

Published by Pearson
ISBN 10: 0-32187-896-5
ISBN 13: 978-0-32187-896-0

Chapter 8: Techniques of Integration - Section 8.9 - Probability - Exercises 8.9 - Page 514: 11



Work Step by Step

$\int^3_1xe^{-x}dx$ =$-(x+1)e^{-x}]^3_1$ =$-4e^{-3}+2e^{-1}$=$0.537$
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