a + b + c = 0 হলে a3 + b3 + c3 এর মান কত ?
Correct Answer: Option C
a3 +b3 +c3
= (a+b+c) (a2 +b2 +c2 - ab - bc -ca ) + 3abc
= 0. (a2 +b2 +c2 - ab - bc - ca ) + 3abc
= 0 + 3abc
= 3abc
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