   Chapter 4.4, Problem 74E

Chapter
Section
Textbook Problem

# The area labeled B is three times the area labeled A. Express b in terms of a. To determine

To express:

b in terms of a.

Explanation

1) Concept:

Use the given condition to express b in terms of a

2) Calculation:

From the given graph,

Area bounded by the curve y=ex for region A is 0aexdx

Area bounded by the curve y=ex for region B is 0bexdx

Here,

the area labeled B is three times the area labeled A that is B=3A So

0bex dx=30aexdx

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