If xy+yx=-1x,y≠0, the value of x3 – y3 is(a) 1(b) –1(c) 0(d) 12 – InterviewSolution

1.	If xy+yx=-1x,y≠0, the value of x3 – y3 is(a) 1(b) –1(c) 0(d) 12
Answer» If $\frac{x}{y} + \frac{y}{x} = - 1 (x, y \neq 0)$ , the value of x³– y³ is (a) 1 (b) –1 (c) 0 (d) $\frac{1}{2}$

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