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In Delta ABC, (1/r-1/r1)(1/r-1/r2)(1/r-1...

In `Delta ABC, (1/r-1/r_1)(1/r-1/r_2)(1/r-1/r_3)=`

A

`(abc)/Delta^3`

B

0

C

`4Rr^2`

D

`1//r`

Text Solution

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The correct Answer is:
A
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