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

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asked Dec 20, 2017 80.5k views

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

Mathematics
high-school

GoofballLogic asked

by GoofballLogic

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

Yuray answered Dec 25, 2017

by Yuray

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