Indefinite Integrals
Example 1
Find . 
Example 2

Example 3
For the integral, (a) identify u and du and (b) integrate by substitution. 
Example 4
For the integral, (a) identify u and du and (b) integrate by substitution. 
Example 5
For the integral, (a) identify u and du and (b) integrate by substitution. 
Example 6
Find . 
Example 7
Find . 
Example 8
Example. Find without using the "multiplying by 1" trick. 