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In Delta PQR. AngleR = (pi)/(2). If tan ...

In `Delta PQR. AngleR = (pi)/(2)`. If `tan ((P)/(2)) and tan ((Q)/(2))` are the roots of the quadratic equation then which of the following is correct ?

A

a) a = b + c

B

b) b = c + a

C

c) c = a + b

D

d) b = c

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The correct Answer is:
C
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