The equation of the line common to the pair of lines (p^2-q^2) x^2+ (q^2-r^2) x y+ (r^2-p^2) y^2=0 \text{ and }(1-m) x^2+(m-n) x y+(n-l) y^2=0 \text{ is }

AP EAPCET 17th May 2023 Shift 2 Solved Paper

Section: Mathematics

Question : 45 of 160

Marks: +1, -0

The equation of the line common to the pair of lines
(p2−q2)x2+(q2−r2)xy+(r2−p2)y2=0‌ and ‌(1−m)x2+(m−n)xy+(n−l)y2=0‌ is ‌

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