Math, asked by sonakshi8173, 8 months ago

evaluate using suitable identity (-12)³+5³+7³

Answers

Answered by vanshgaur789

4

Step-by-step explanation:

a+b+ç =0

then

a³+b³+ç³ = 3abc

-12 +7+5

12-12 =0

so

-12³+7³ +5³ = 3×-12×7×5 = -1260

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