Math, asked by bakhtiyarh841, 9 months ago

a3 + b3 + c3 _ 3abe, when a=-4, b = -6) (= -2​

Answers

Answered by sonalsahu870
0

Answer:

4 (3)+ (-6)(3)+(-2)(3)

12-18-6

12-24

-12

Answered by jainishpjain
0

 {a}^{3}  +  {b}^{3}  +  {c}^{3}  - 3abc \\  \\ a =  - 4 \\ b  =  - 6\\ c =  - 2 \\  \\   = ({ - 4}^{3}  )+  ({ - 6}^{3} ) +  ({ - 2}^{3} ) + 3( - 4  \times  - 6 \times  - 2) \\  =  - 64 - 216 - 8 - (48 \times 3) \\  =  - 432

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