Homework Statement
Find the value of lim x→∞
[x-sqrt(x^2+5x+2)] / [x-sqrt(x^2+(x/2)+1)]
Answer is 10.
Homework Equations
The Attempt at a Solution
I tried to multiply by the conjugate and got
[5x+2] / [x-sqrt(x^2+5x+2)] * [x+sqrt(x^2+(x/2)+1)]
but then I'm still stuck...