48. If a + b + c0, then a3 + b3 + ัะท is equal to(a) 0(b) abc( – InterviewSolution

1.

48. If a + b + c0, then a3 + b3 + ัะท is equal to(a) 0(b) abc(c) 3abe

Answer»

Given a + b + c = 0

We know a³ + b³ + c³ - 3abc = (a + b + c )×(a²+ b²+c²-ab-ac-bc)

So we have a + b + c = 0

So, a³ + b³ + c³ = 3abc

Option (c) is correct

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