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Chapter 5: Q. 73 (page 315)

Use a graphing utility to solve each equation. Express your answer rounded to two decimal places.

e-x=lnx

Short Answer

Expert verified

The solution of the given equation is 1.31.

Step by step solution

01

Step 1. Given information.

The given equation is:

e-x=lnx

02

Step 2. Determine the solution by the graphing utility.

Plot the graphs of y1=e-xand y2=lnxon a coordinate plane. The x-coordinate of the intersection point is the solution of the given equation.

The graphs intersect each other at x=1.31.

03

Step 3. Conclusion.

The solution of the given equation is 1.31.

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