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प्रश्न
(a – b) ______ = a2 – 2ab + b2
रिकाम्या जागा भरा
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उत्तर
(a – b) (a – b) = a2 – 2ab + b2
Explanation:
We know that,
(a – b) (a – b) = (a – b)2
= a2 – 2ab + b2 ...[∵ (a – b)2 = a2 – 2ab + b2]
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