Questions
Let P be a point in the first quadrant lying on the ellipse such that the tangent at to the ellipse is inclined at an angle 135° to the positive direction of axis. Then the coordinates of are:
detailed solution
Correct option is D
Equation of the tangent with slope tan 135° to the ellipse x216+y29=1 is y=−x+16(1)+9⇒x+y=5 which meets the given ellipse at 165,95Talk to our academic expert!
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Let P be any point on the directrix of an ellipse of eccentricity e. S be the corresponding focus and C the centre of the ellipse. The line PC meets the ellipse at A. the angle between PS and tangent at A is , then is not equal to
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