Get Expert Help with Integration Homework - Essential Equations & Solutions

[quackdesk]

Homework Statement

http://prikachi.com/images/201/4687201t.gif

Homework Equations

Given in class on material connected with undefined integral

The Attempt at a Solution

Hard for me to grasp that one...
P.S Thanks in advance

 

[grindfreak]

Use integration by partial fractions.

 

[Mark44]

Use integration by partial fractions.

The integrand is not a rational expression, so I don't see how this technique could work.

A better approach, I believe, is to complete the square inside the radical, and then use a trig substitution.

 

[grindfreak]

Hmmm, good point trig substitution would probably work.

 

[quackdesk]

I finally done it with a little help from a friend :)
http://prikachi.com/images/946/4687946U.gif
which is arcsin√x +C