Ten > Algebraic Fraction

Asked by Atith Adhikari · 2 years ago

Simplify: $\rm \left ( \frac{1}{a} + \frac{1}{b} \right ) \left ( a + b -c \right ) + \left ( \frac{1}{b} + \frac{1}{c} \right ) \left ( b + c -a \right ) + \left ( \frac{1}{c} + \frac{1}{a} \right ) \left ( c + a - b \right )$