1.

\begin{array}{l}{\text { If } a, b, c \text { are all nonzero and } a+b+c=0, \text { prove that }} \\ {\frac{a^{2}}{b c}+\frac{b^{2}}{c a}+\frac{c^{2}}{a b}=3}\end{array}

Answer»

when a+b+c=0=>a³+b³+c³=3abc (Identity)Dividing by abc on both sides

=> a²/bc + b²/ac + c²/ab=3

thanks



Discussion

No Comment Found