Solve each of the integrals in Exercises 21–70. Some integrals require substitution, and some do not. (Exercise 69 involves a hyperbolic function.)

exxdx

Short Answer

Expert verified

The solution of the given integral is exxdx=ex+C.

Step by step solution

01

Step 1. Given Information 

Solving the given integrals.

exxdx

02

Step 2. Solving the given integral using substitution method. 

u=xu=x1/2dudx=12x-1/2dudx=12x2du=1xdx

03

Step 3. This substitution changes the integral into 

exxdx=euduexxdx=eu+Cexxdx=ex+C

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