If a, b, c are non-zero real numbers and `a +b+ c= 0`, then the value – InterviewSolution

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1.	If a, b, c are non-zero real numbers and `a +b+ c= 0`, then the value of `a^2/(bc)+b^2/(ca)+c^2/(ab)` is (A) 0 (B) 2 (D) 4 (C) 3
Answer» `a+b+c=0` `a^2/(bc)+b^2/(ca)+c^2/(ab)` `(a^3+b^3+c^3)/(abc)` `((a+b+c)(a^2+b^2+c^2-ab-bc-ca)+3abc)/(abc)` `(3abc)/(abc)` `3`.

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