Length of the tangents from the point (1, 2) to the circles `x^2+y^2+x+y-4=0` and `3x^2+3y^2-xy...
1,308 views · Published 12 October 2018 · 3:40 · Indexed 30 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW Length of the tangents from the point (1, 2) to the circles `x^2+y^2+x+y-4=0` and `3x^2+3y^2-xy-k=0` in the ratio 4:3, then k is equal to
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