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If the tangent at the point P on the cir...

If the tangent at the point P on the circle `x^2+y^2+6x + 6y = 2` meets the straight line 5x- 2y + 6 = 0 at a point Q on the y-axis, then the length of PQ is:

A

4

B

`2 sqrt5`

C

5

D

`2 sqrt5`.

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MODERN PUBLICATION-CONIC SECTIONS-EXERCISE
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  14. A square of side a lies above the X- axis and has one vertex at the or...

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  15. Find the slope of the tangent to the curve y=3x^4−4 at x = 4

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  16. The lines 2x-3y=5 and 3x-4y=7 are the diameters of a circle of area 15...

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  17. If the two circles (x-1)^2+(y-3)^2= r^2 and x^2+y^2-8x+2y+8=0 interse...

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  18. The normal at the point (bt1^2, 2bt1) on a parabola meets the parabola...

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  19. If the foci of the ellipse (x^2)/(16)+(y^2)/(b^2)=1 and the hyperbola ...

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