Question

( root 5 + root 2) whole square​

Answer 1

Answer:

Explained in the above picture

Answer 2

$\huge{\underline{\red{\mathfrak{Answer:-}}}}$

= ( root 5 + root 2) whole square

= ( √5 + √2 ) ²

• Use the identity (a + b)² = a² + 2ab + b²

= (√2)² + 2(√2)(√5) + (√5)²

= 2 + 2√10 + 5

= 7 + √10

•°• 7 + √10 is your required answer.

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