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If in a triangle (1-(r(1))/(r (2)))(1-(r...

If in a triangle `(1-(r_(1))/(r _(2)))(1-(r_(1))/(r _(3)))=2.` then show that the triangle is right angled.

A

right angled

B

isosceles

C

equilateral

D

None of these

Text Solution

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The correct Answer is:
A
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