Rationalize the denominator and simplify.<img src="-f-15-20-5Csqrt-7B6-7D-2F3-20-5Csqrt-7B5-3Cbr-20-2F-3E.jpg">

Question

Rationalize the denominator and simplify.

Answer 1

the correct answer is √30

Answer 2

(15√6 / √5)

(15√6/√5) *(√5/√5)

(15*√6*√5)/(√5*√5)

15*√30 / 5

3√30