Question

if x/y=-1 where x is not equal to 0 , y is not equal to 0 then find the value of x³-y³

Answer 1

- 2ycube is answer for it. sorry for wrong answer

Answer 2

x/y= -1 x^3 - y^3 -------- 1
.: x= -y

PUT x= -y IN 1
= -y^3 -y^3
= -y -y
= -2y

.: x^3 -y^3 = -2y