Question

If x=1,y=-2 and z=3,... find the value of x cube+ y cube+ z cube-3xyz​

Answer 1

Step-by-step explanation:

when x+y+z=0 then

${x3 + {y}^{3} + {z}^{3} = 3xyz$

so 1 cube +( -2) cube + 3 cube= 3*1*(-2)*3

=-18

Answer 2

$\huge\bf{Answer:-}$

Refer the attachment.