sonuh7606
sonuh7606 sonuh7606
  • 24-08-2021
  • Mathematics
contestada

(28)^3 + (-15)^3 +(-13)^3 calculate using identities



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Respuesta :

bhattasangam987 bhattasangam987
  • 24-08-2021

Answer:

answer is 16380

Step-by-step explanation:

answer is 16380

Answer Link
mhanifa
mhanifa mhanifa
  • 24-08-2021

Answer:

  • 16380

Step-by-step explanation:

We can see that:

  • 28 + (-15) + (-13) = 0

Use the following identity:

  • a³ + b³ + c³ = 3abc, if a + b + c = 0

Substitute the values to get:

  • 28³ + (-15)³ + (-13)³ = 3*28*(-15)(-13) = 16380
Answer Link

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