Math, asked by 1111gauthamanb, 7 months ago

Evacuate using identity: a) 999^3 (b)102^3

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Answered by sidthemassive0011

0

000³ - 1³ - 3 ( 1000)²(1) + 3 ( 1000)(1)². 1000000000-1 -3000000+3000. 99,70,02,999. identity used = ( a- b)³. = a³ - b³ - 3a²b + 3ab²

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