If a+b+c=0 then prove a4+b4+c4=2(a2b2+b2c2+c2a2) – InterviewSolution

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If a+b+c=0 then prove a4+b4+c4=2(a2b2+b2c2+c2a2)

Answer»

If $a + b + c = 0$ then prove

$a^{4} + b^{4} + c^{4} = 2 (a^{2} b^{2} + b^{2} c^{2} + c^{2} a^{2})$

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