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Questions  >>  CBSE XI  >>  Math  >>  Conic Sections
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Q)

State whether the following statement is True or False: If the line $lx+my=1$ is a tangent to the circle $x^2+y^2=a^2$,then the point $(l,m)$ lies on a circle.

[Hint: Use that distance from the centre of the circle to the given line is equal to radius of the circle.]

$\begin{array}{1 1}\text{True}\\\text{False}\end{array} $

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