Seudónimo Seudónimo
  • 21-01-2019
  • Mathematics
contestada

True or false the expression below is a sum of cubes 216x^3+64?

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 21-01-2019

Answer:

True

Step-by-step explanation:

The sum of cubes   a^ 3 + b^ 3 = (a + b) (a ^2 − a b + b^ 2 )

We need to determine if 216x^3 is a cube and 64 is a cube

216 = 6*6*6

216 x^3 = (6x) ^3

and 64 = 4*4*4 = 4^3

So 216x^3 +64 = (6x)^3 + 4^3


Answer Link
mrsteeleiii
mrsteeleiii mrsteeleiii
  • 23-11-2020

Answer:

true

Step-by-step explanation:

Answer Link

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