B. a² - 2ab + b² / a² - 2ab + b²
ExplanationStep 1: This is a standard algebraic identity. Step 2: (a-b)^2 = a² - 2ab + b². Step 3: In minus square the middle term is negative.
Step 1: यह standard algebraic identity है। Step 2: (a-b)^2 = a² - 2ab + b² होता है। Step 3: Minus square में middle term negative होता है।
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