I am trying to rationalize a denominator and it is a squre root, like this : squre root of x+1 , i don't know what to do ,cause it isn't just a number it is the whole expression. plz help

Question

I am trying to rationalize a denominator and it is a squre root, like this : squre root of x+1 , i don't know what to do ,cause it isn't just a number it is the whole expression.  plz help

Henry · Answer

Please post the problem.

Reiny · Answer

let's assume you have 1/√(x+1) multiply top and bottom by √(x+1) 1/√(x+1) * √(x+1)/√(x+1) = √(x+1)/(x+1)