Question

Find the value of x^3_y^3_12xy_64,when x_y_4=0

Answer 1

hey mate

here is the answer...

Answer:

x-y-4=0

x-y=4

cubing on both sides,

(x-y)³=(4)³

x³-y³-3xy(x-y)=64

x³-y³-3xy(4)=64

x³-y³-12xy-64=0

thus,

0 is the answer...

Answer 2

here is the answer is zero