Question

on simplyfiyng (√5+√7)*2 , here 2 is square , we get​

Answer 1

Step-by-step explanation:

open the square

=5+7+2(35)^1/2

= 12+2(35)^1/2

Answer 2

Answer:

(√5+√7)²

=>(√5)²+(√7)²+(2×√5×√7). [Hence,(a+b)²]

=>5+7+2√35

=>12+2√35

(solved)