Question

(√13-√6)(√13+√6)simplify it​

Answer 1

here is your answer !!

u can apply a^-b^ formula

that is √13^-√6^ = 7 (by cancelling root)

hope it helps u

Answer 2

Simplify :

(√13-√6)(√13+√6)

=(√13)²-(√6)²

=(13-6)

=7

SOME IMPORTANT FORMULAS:

(i). √ab = √a × √b

(ii). √(a/b) = √a/√b