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In Delta ABC, a (rr1+r2r3)=...

In `Delta ABC, a (rr_1+r_2r_3)`=

A

`(ca-r_3 r_1)/r_2`

B

`(r_3 r+ r_1 r_2)/(ab)`

C

`r_3^2/(4R-r_1-r_2)`

D

abc

Text Solution

Verified by Experts

The correct Answer is:
D
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