Question

Simplify ( square root 5 + square root 2 to the whole square​

Answer 1

Answer:

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Step-by-step explanation:

( √5 + √2 )²

BY USING ( 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