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प्रश्न
Find the product of xy − ab and xy + ab
योग
उत्तर
(xy − ab) × (xy + ab)
= xy × (xy − ab) + ab (xy − ab)
= x2y2 − abxy + abxy − a2b2
= x2y2 − a2b2
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Concept for Unknowns Through Examples with Simple Contexts (Single Operations)
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