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प्रश्न
Using suitable identities, evaluate the following.
(52)2
मूल्यांकन
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उत्तर
We have,
(52)2 = (50 + 2)2
= (50)2 + (2)2 + 2 × 50 × 2 ...[Using the identity, (a + b)2 = a2 + b2 + 2ab]
= 2500 + 4 + 200
= 2704
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अध्याय 7: Algebraic Expression, Identities and Factorisation - Exercise [पृष्ठ २३३]
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