Question

If a/b+b/a=-1 (a,b not equal to zero) , then a^3-b^3is

Answer 1

Answer:

Step-by-step explanation:

a/b+b/a=a²+b²/ab=-1

∴a²+b²=-ab

∵a³-b³=(a-b)(a²+ab+b²)

∴a³-b³=(a-b)(ab-ab)

          =(a-b)x0

          =0

Hope it helps

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