write the algebraic expression 4a² + 4+ 1/a² in the form of perfect square
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Answer:(2a + 1/a)²
Step-by-step explanation:4a² + 4 + 1/a²
(2a)² + 2(2a)(1/a) + (1/a)²
(a+b)² = a² + 2ab + b²
(2a + 1/a)
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