A straight line through P(-2,-3) cuts the pair of straight lines `x^2+3y^2+4xy-8x-6y-9=0` in Q ...
928 views · Published 12 October 2018 · 5:58 · Indexed 26 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW A straight line through P(-2,-3) cuts the pair of straight lines `x^2+3y^2+4xy-8x-6y-9=0` in Q and R Find the equation of the line if `PQ.PR=20`
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