Question

Rationalise the denominater of 5/root 7 - root 5

Answer 1

Answer:

5√7 + √5/2

Step-by-step explanation:

5/√7 - √5

5 * √7 + √5 / √7 - √5 * √7 + √5

5√7 + √5 / (√7 - √5)^2

5√7 + √5 / 7 - 5

5√7 + √5 / 2