Ts Eamcet
Properties Of Triangles
TS EAMCET 2020 (Online) 10th September Evening Shift
MCQ+1 / -02020
In a $\triangle A B C, \frac{\Delta^2}{a^2+b^2+c^2}\left(\frac{1}{r_1^2}+\frac{1}{r_2^2}+\frac{1}{r_3^2}+\frac{1}{r^2}\right)=$
Ts Eamcet
TS EAMCET 2020 (Online) 10th September Evening Shift
In a $\triangle A B C, \frac{\Delta^2}{a^2+b^2+c^2}\left(\frac{1}{r_1^2}+\frac{1}{r_2^2}+\frac{1}{r_3^2}+\frac{1}{r^2}\right)=$