Question

If \(\Large{a+b+c=0}\) the value of \(\Large{\frac{a^2}{bc}+\frac{b^2}{ca}+\frac{c^2}{ab}}\) is :-

Answer 1

know the formula for a^3+b^3+c^3 =... ?

Answer 2

3abc

Answer 3

hint : first term = a^2/bc = a^3/ abc

Answer 4

what's the use of this hint @hartnn ??

Answer 5

ohhh ! gt it

Answer 6

your expression = (a^3+b^3+c^3/abc ) = (a++b+c)(....)/abc
good!

Answer 7

we should use this hint in every frac & make the denominators same & solve

Answer 8

mostly this works....

Answer 9

hmm... thanx a lot @hartnn:)