The line `lx + my =1` meets the ellipse `x^2/a^2+y^2/b^2=1` in the P and Q.The mid point of ch...
95 views · Published 12 October 2018 · 7:34 · Indexed 8 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW The line `lx + my =1` meets the ellipse `x^2/a^2+y^2/b^2=1` in the P and Q.The mid point of chord PQ is (where `k = a^2l^2 +b^2m^2`)
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