Random Pre Calc help: (sqrt[x] - sqrt[a]) / (x - a)

Complex numbers, rational functions, logarithms, sequences and series, matrix operations, etc.

Random Pre Calc help: (sqrt[x] - sqrt[a]) / (x - a)

Rewrite: $\frac{\sqrt{x}\, -\, \sqrt{a}}{x\, -\, a}$

This was on a test and I didn't know the answer, please help. I thought it was 0 but I was wrong.
crunkski

Posts: 1
Joined: Thu Aug 13, 2009 1:51 am