sonuh7606 sonuh7606

24-08-2021
Mathematics

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(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

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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