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

In a triangle PQR, ∠ R = (π)/2, if tan (P/2 ) and tan (Q/2… — JEE Main 1999 Mathematics PYQ

1999

In a

\triangle PQR

\angle R = \dfrac{\pi}{2}

, if

\tan\left(\dfrac{P}{2}\right)

and

\tan\left(\dfrac{Q}{2}\right)

are the roots of the equation

ax^2 + bx + c = 0

(a \neq 0)

, then

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Correct option: A

[1999]

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