Question

Rationalize the denominator
7√5 - 5√2
---------------
5√2 - 2√5

Answer 1

Explanation:

Answer:

25

Step-by-step explanation:

=> 5√3-5√2 × 5√3+5√2

=> 25×3 - 25×2 [(a-b) (a+b) = a²-b²]

=> 75 - 50=> 25