Question

Which is the rationalized form of the expression sqrtx/sqrtx+sqrt7

Answer 1

Its A

Explanation:

I just took the test on edge

Answer 2

(x - √7*√x) / (x - 7)

Explanation:

I suppose your expression is √x / (√x + √7)

(√x * (√x - √7)) / ((√x + √7) * √x - √7)) = (√x * √x - √7 * √x) / (x - 7)

= (x - √7*√x) / (x - 7)