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Find p and q, if the following equation ...

Find p and q, if the following equation represent a pair of lines perpendicular to each other :
(1) `px^(2) - 8xy + 3y^(2) + 14x + 2y + q = 5`
(2) `12x^(2) + 7xy - py^(2) + 18x + qy + 6 = 0.`

Text Solution

Verified by Experts

(1) `p = -3, q = -3`
(2) `p = 12, q = -1 or (23)/(2)`
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NAVNEET PUBLICATION - MAHARASHTRA BOARD-PAIR OF STRAIGHT LINES -Examples for Practice
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