Question

[√5+√7]²
pls simplify
chapter is number system
class 9

Answer 1

( √ 5 + √ 7 ) ²

( √ 5 ) ² + 2 √ 5 √ 7 + ( √ 7 ) ²

5 + 2 √ 5 √ 7 + ( √ 7 ) ²

5 + 2 √ 35 + ( √ 7 ) ²

5 + 2 √ 35 + 7

12 + 2 √ 35