Question

if x/y+y/x=-1 then find the value of x^3-y^3​

Answer 1

Step-by-step explanation:

x/y + y/x = -1

x² + y² = -xy

x² + y² + xy = 0 ------(1)

Value of

(x³ - y³ ) = (x - y)(x² + xy + y²)

= (x-y) * 0 {from equation (1) }

= 0 ans.