A circle of radius r touches the parabola `x^2+4ay=0 (a gt0)` at the vertex of the parabola....
602 views · Published 12 October 2018 · 5:16 · Indexed 23 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW A circle of radius r touches the parabola `x^2+4ay=0 (a gt0)` at the vertex of the parabola. The centre of the circle lies below the vertex and the circle lies entirely within the parabola. Then the largest possible value of r is
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