Number of tangents to the circle x^2 + y^2 = | vedclass

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Question

$3x\sec 	heta  - 2y\cos ec	heta  = 5$

$\frac{5}{{\sqrt {9{{\sec }^2}	heta  + 4\cos e{c^2}	heta } }} = \sqrt 3 $

But min. valu

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Vedclass · Answer

$3x\sec 	heta  - 2y\cos ec	heta  = 5$

$\frac{5}{{\sqrt {9{{\sec }^2}	heta  + 4\cos e{c^2}	heta } }} = \sqrt 3 $

But min. value of $9{\sec ^2}	heta  + 4\cos e{c^2}	heta $ is $25$

$	herefore$ no tangent

Number of tangents to the circle $x^2 + y^2 = 3$ , which are normal to the ellipse $4x^2 + 9y^2 = 36$ , is

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