You are Here: Home >< Maths

1. Use the substitution u^2 = x+1 to evaluate

INT[X^2/√(X+1)]dx
2. Hi! i've moved this into the Maths forum for you - hopefully someone will be able to help you out here
3. (Original post by Ola2898)
Use the substitution u^2 = x+1 to evaluate

INT[X^2/√(X+1)]dx
So substitute it in.
4. (Original post by Ola2898)
Use the substitution u^2 = x+1 to evaluate

INT[X^2/√(X+1)]dx
Could you post your working so we can see where you are stuck?
5. use (u^2 - 1)^2=x^2

also 2udu/dx=1 so dx=2u du

### Related university courses

TSR Support Team

We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out.

This forum is supported by:
Updated: February 20, 2018
Today on TSR

### Top unis in Clearing

Tons of places at all these high-ranking unis

Poll
Useful resources

### Maths Forum posting guidelines

Not sure where to post? Read the updated guidelines here

### How to use LaTex

Writing equations the easy way

### Study habits of A* students

Top tips from students who have already aced their exams