Question

if a+b+c=o then a^2/bc+b^2/ca+c^2/ab

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Answer 1

Step-by-step explanation:

{a+b+c }^3 = a^3 +b^3 +c^3 +3{ ab+bc+ca}

0= a^3 +b^3 +c^3 +3{ab+bc+ca}