Question

if x=3 , y= 1 and z =-4 then the sum will be x³+y³ +z³ -3xyz​

Answer 1

Step-by-step explanation:

x = 3

y = 1

z = - 4

put these values ...................

(3)³ + (1)³ + (-4)³ - 3(3)(1)(-4)

= 27 + 1 (-64) +36

= 28+ 36 - 64

= 64-64

= 0