C. a² + 2ab + b² / a² + 2ab + b²
ExplanationStep 1: This is a basic algebraic identity. Step 2: (a+b)^2 = a² + 2ab + b². Step 3: Remember the middle term 2ab in square expansion.
Step 1: यह basic algebraic identity है। Step 2: (a+b)^2 = a² + 2ab + b² होता है। Step 3: Square expansion में middle term 2ab याद रखें।
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