If (x+a)²=x²+1+1/4x² then find a
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(x + a)² = x² + a² + 2ax
Given, (x + a)² = x² + 1 + 1/(4x²)
2ax = 1 (or) a² = 1/(4x²)
a = 1/2x a = 1/2x
Answer: a = 1/2x
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