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If the pole of the line with respect to the circle `x^(2)+y^(2)=c^(2)` lies on the circle `x^(2)+y^(2)=9c^(2)` then the line is a tangent to the circle with centre origin is

A

`9x^(2)+9y^(2)=c^(2)`

B

`9x^(2)+9y^(2)=c`

C

`8x^(2)+8y^(2)=c^(2)`

D

`8x^(2)+8y^(2)=c`

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The correct Answer is:
A
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DIPTI PUBLICATION ( AP EAMET)-CIRCLE-Exercise 1C(Pole, Polar)
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  2. The condition that the chord of contact of the point (b,c) w.r.t. to t...

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  3. If the pole of the line with respect to the circle x^(2)+y^(2)=c^(2) l...

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  4. A point P is taken on the circle x^(2)+y^(2)=a^(2) and PN, PM are draw...

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  5. If the pole of a line w.r.t to the circle x^(2)+y^(2)=a^(2) lies on th...

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  6. The area of the triangle formed by the tangents from (1,3) to the circ...

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  7. The locus of the poles of the line ax+by+c=0 w.r.t a system of circles...

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  8. The locus of the poles of the line 2x+3y-4=0 w.r.t. the circle x^(2)+y...

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  9. The inverse point of (1,-1) with respect to the circle x^(2)+y^(2)=4, ...

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  10. The inverse point of origin w.r.t. the circle x^(2)+y^(2)+2gx+2fy+c=0 ...

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  11. The inverse point of (1,2) origin w.r.t. the circle x^(2)+y^(2)-4x-6y+...

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  12. The inverse point of (1,2) w.r.t. the circle x^(2)+y^(2)=25, is (5,k) ...

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  13. The inverse point of (x(1),y(1)) w.r.t. the circle x^(2)+y^(2)=a^(2)" ...

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  14. For the circle x^(2)+y^(2)-6x+8y-1=0, points (2,3), (-2,-1) are

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  15. For the circle x^(2)+y^(2)-3x-5y+1=0, the points (4,2), (3,-5) are

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  16. For the circle x^(2)+y^(2)-2x+2y+1=0, the points (-6,1),(2,3),(14/15,-...

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  17. The equation of the chord of the circle x^(2)+y^(2)=25 with (1,-1) as ...

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  18. The equation of the chord of the circle x^(2)+y^(2)-4x+6y-3=0 having (...

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  19. Given that for the circle x^(2)+y^(2)-4x+6y+1=0 the line with equation...

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  20. The length and the midpoint of the chord 4x-3y+5=0 w.r.t. the circle x...

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