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If the area of a quadrilateral formed by...

If the area of a quadrilateral formed by the tangents from the origin to `x^(2) + y^(2) + 6x - 10y + lambda =0` and the pair of radii at the points of contact of these tangents to the circle, is 8 `cm^(2)`, then the value of `lambda` must be

A

2

B

4

C

16

D

32

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The correct Answer is:
A, D
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AAKASH INSTITUTE-CONIC SECTIONS-SECTION-C
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  4. If (a cos theta(1), a sin theta(1)), ( a cos theta(2), a sin theta(2))...

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  5. Equation of tangents drawn from (0, 0) to x^(2) + y^(2) - 6x -6y + 9 =...

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  14. Let one of the vertices of the square circumseribing the circle x^(2) ...

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  17. y^2-2x-2y+5=0 represents

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