deishlies12 deishlies12

14-09-2016
Mathematics

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Find the value of 423 using the identity (x + y)3 = x3 + 3x2y + 3xy2 + y3

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AshryverGalathyniys AshryverGalathyniys

14-09-2016

Hint: 423 = (40 + 2)3; therefore, x = 40 and y = 2.

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