JEE Main & Advanced
Mathematics
Triangles & Properties of Triangle
Question Bank
Numerical Value Type Questions - Properties of Triangle
question_answer
In \[\Delta ABC\] if \[\frac{{{r}_{1}}}{\left( s-b \right)\left( s-c \right)}+\frac{{{r}_{2}}}{\left( s-c \right)\left( s-a \right)}+\frac{{{r}_{3}}}{\left( s-a \right)\left( s-b \right)}=\frac{k}{r},\] Then find value of k.