Chapter 6.4, Problem 13E

### Calculus: An Applied Approach (Min...

10th Edition
Ron Larson
ISBN: 9781305860919

Chapter
Section

### Calculus: An Applied Approach (Min...

10th Edition
Ron Larson
ISBN: 9781305860919
Textbook Problem
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# Evaluating an Improper Integral In Exercises 7-20, determine whether the improper integral diverges or converges. Evaluate the integral if it converges. See Examples 1, 2, and 3. ∫ − ∞ − 1 e x d x

To determine

Whether the improper integral 1exdx diverges or converges and evaluate if it converges.

Explanation

Given Information:

The expression is provided as:

1exdx

From definition of improper integral.

bf(x)dx=limaabf(x)dx

Also, the expression for the integration of an exponential is as follows:

eaxdx=eaxa+C; where, a0.

The improper integral converges if the limit exists otherwise the improper integral diverges.

Consider the provided expression:

1exdx

Use the property of improper integral and simplify as:

1ex

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