Question

Square root 2 +square root 5 whole square

Answer 1

Question:-

(√5 + √2)²

Solution:-

By Using identity:- ( a + b)^2 = a^2 + b^2 + 2ab

( √5 + √2)²

→ (√5)² + ( √ 2 )² + 2( √5 × √ 2 )

→ 5+2 +2√( 5 × 2)

→ 5+2 +2√10

→ 7+2√10