Simplify given equation
(√5+2) 2
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Answer:
(√5+2)²
Using identity (a + b)² = a² + b² + 2ab
(√5+2)² = (√5)² + (2)² + 2(√5)(2)
= 5 + 4 + 4√5
= 9 + 4√5
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