Math, asked by daiyanitup9dknh, 8 months ago

Evaluate 49×51 with an Easy Method

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Answered by itzJitesh

10

Answer:

Expressions and Identities, NCERT ...

7x2 xy + 49 xy 7y2. = 7x2 + 48xy 7y2 ..... Using identities, evaluate: (i) 712 (ii) 992 ( iii) 1022 ... (51 + 49) (51 49). = (100)(2) = 200.

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