Question

if x=3, y=2, z= -2, find the value of x3 + y3+z3-xyz​

Answer 1

Answer

solution

x=3, y=2 and z= -2,

the value of x3 + y3+z3-xyz is

here

x3 + y3+z3-xyz

= 3^3 + 2^3 + (-2)^3 - 3×2×(-2)

= 27 + 8 - 8 + 12

= 39