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In a triangle PQR, ∠R=π/2.If tan(P/2) & ...

In a triangle `PQR, ∠R=π/2`.If `tan(P/2) & tan(Q/2)`, are the roots of the equation `ax^2+bx+c=(a≠0)` then

A

a+b = c

B

b+c = a

C

a+c = b

D

b = c

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A
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