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B
1
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C
3
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D
2
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Solution
The correct option is D 3 Using the formula, a^3 + b^3 + c^3 = (a + b + c) (a^2 + b^2 + c^2 ab bc ca) + 3abc If a+b+c=0, then a^3 + b^3 + c^3 = 3abc a3+b3+c3abc=3 a3abc+b3abc+c3abc=3 a2bc+b2ca+c2ab=3 Answer (C) 3