A straight line through `A (-15 -10)` meets the lines `x-y-1=0`, `x+2y=5` and `x+3y=7` respecti...
774 views · Published 11 October 2018 · 7:53 · Indexed 23 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW A straight line through `A (-15 -10)` meets the lines `x-y-1=0`, `x+2y=5` and `x+3y=7` respectively at A, B and C. If `12/(AB)+40/(AC)=52/(AD)` prove that the line passes through the origin.
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