Ap Eapcet
Properties Of Triangles
AP EAPCET 2025 - 22nd May Evening Shift
MCQ+1 / -02025
In $\triangle A B C$, if $r=3$ and $R=5$, then $\frac{1}{a b}+\frac{1}{b c}+\frac{1}{c a}=$
Ap Eapcet
AP EAPCET 2025 - 22nd May Evening Shift
In $\triangle A B C$, if $r=3$ and $R=5$, then $\frac{1}{a b}+\frac{1}{b c}+\frac{1}{c a}=$