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JEE MATHEMATICS MCQ: PROPERTIES OF TRIANGLES

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The ex-radii of a triangle r1,  r2,  r3{r_1},\,\,{r_2},\,\,{r_3} are in harmonic progression, then the sides a,  b,  ca,\,\,b,\,\,c are
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Correct option: B
In A.P.
Option B (In A.P.) is correct because the harmonic progression of ex-radii implies an arithmetic progression of the sides.

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