What is the answer if ( 2a - 1:2a) whole square
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Answer:
(a + b)² = a² + 2ab + b²
a =2a and b = 1/2a
=> 4a² + 2 × 2a × 1/2a + (1/2a)²
=> 4a² + 2 + 1/4a²
=> 4a² + 1/4a² +2
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