Question

(-27)^3+(15)^3+(12)^3=?
Solve using identity.

Answer 1

Answer:

(-27)^3+(15)3+(12)^3=?

-19683+3475+1728

28886

Answer 2

(-27)^3+(15)^3+(12)^3

a = -27

b = 15

c = 12

a+b+c

=> -27 + 15 + 12

=> -27+27

=> 0

if a+b+c = 0 ,

then a³ + b³ + c³ = 3abc

=> 3 × (-27) × 15 × 12

=> -14,580 Ans

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