If ab+ba=-1 then (a3 − b3) = ?(a) −3(b) −2(c) −1(d) 0 – InterviewSolution

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1.	If ab+ba=-1 then (a3 − b3) = ?(a) −3(b) −2(c) −1(d) 0
Answer» If $\frac{a}{b} + \frac{b}{a} = - 1$ then (a³ − b³) = ? (a) −3 (b) −2 (c) −1 (d) 0

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