Question

If x/y+y/x=-1 then find the value ofx^3-y^3=

Answer 1

Answer:

-19

Step-by-step explanation:

(x+y)^3=-1^3

x^3+y^3+3xy(x+y)= -1

x^3+ y^3^+3(1)(6)= -1

x^3+y^3= -1-18

= -19