At a point `A(1, 1)` on ellipse equation of tangent is `y = x`. If one of the foci of ellipse
573 views · Published 13 October 2018 · 6:37 · Indexed 8 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW At a point `A(1, 1)` on ellipse equation of tangent is `y = x`. If one of the foci of ellipse is `(0,-2)` and the co-ordinates of centre of ellipse are `(alpha,beta)`, then the value of `alpha+ beta` is (Given length of major axis of ellipse is `4sqrt(10) units`)
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