Question

without actually calculating the cubes, find the the value of (-12)3 +(7)3+(5)3

Answer 1

we know that a+b+c=0 then we use a cube +b cube +c cube =3abc. 3×12×7×5=1260. i hope u r understand

Answer 2

we know that a+b+c=0 then we use a cube +b cube +c cube =3abc. 3×12×7×5=1260. i hope u r understand