In \triangle {\ABC}, if {\r} is the inradius and {\rl}, {\r} 2, {\r} 3 are the ex-radii, then \frac{1}{4} [b^2 \sin 2 C+c^2 \sin 2 B] =

AP EAPCET 19th May 2023 Shift 1 Solved Paper

Section: Mathematics

Question : 26 of 160

Marks: +1, -0

In △ABC, if r is the inradius and rl,r2,r3 are the ex-radii, then ‌

[b2sin‌2C+c2sin‌2B]=

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