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Two perpendicular tangents drawn to the ellipse x2/25+y2/16=1 intersect on the curveA) x=4B) y=5C) x2+y2=41D) x2+y2=9

Two perpendicular tangents drawn to the ellipse x2/25+y2/16=1 intersect on the curveA) x=4B) y=5C) x2+y2=41D) x2+y2=9

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1 Answers

Aman Arun
38 Points
4 years ago
we can easily see , there are four points (4,5),(4,-5),(-4,-5),(-4,5) by which two perpendicular tangent can be drawn . With the help of these point we can find the curve is Circle i.e option C

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