deishlies12
deishlies12 deishlies12
  • 14-09-2016
  • Mathematics
contestada

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

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AshryverGalathyniys
AshryverGalathyniys AshryverGalathyniys
  • 14-09-2016
Hint: 423 = (40 + 2)3; therefore, x = 40 and y = 2.
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