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Please give the solution immediately. the portion of the line x cos alpha + y Sin Alpha =p ,intercepted by the ellipse x 2 /a 2 +y 2 /b 2 =1 subtends a right angle at the centre of the ellipse. prove that the line touches a circle concentric with the ellipse.

Please give the solution immediately.
the portion of the line x cos alpha + y Sin Alpha =p ,intercepted by the ellipse x2/a2+y2/b2=1 subtends a right angle at the centre of the ellipse. prove that the line touches a circle concentric with the ellipse.
 

Grade:11

1 Answers

Utkal
13 Points
3 years ago
the given equation of the straight line is :line (1) is tangent to the curve for tangent, it must have equal roots, i.e. which is the required result.hope this helps you.cheers!!

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