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The equation of the chord of contact of the point (1, -2) w.r.t the ellipse `4x^(2)+5y^(2)=20` is

A

`x+16y-12=0`

B

`2x-5y-10=0`

C

`5x+7y-16=0`

D

`x-15y-20=0`

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DIPTI PUBLICATION ( AP EAMET)-ELLIPSE-EXERCISE 1B
  1. The equation of the chord of contact of the point (1, -2) w.r.t the el...

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  2. The equation of the polar of the point (2, -1) w.r.t the ellipse 3x^(...

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  3. Pole of the line 2x+3y+4=0 w.r.t. the ellipse x^(2)//2+y^(2)//4=1 is

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  4. The pole of line x = a/e with respect to the ellipse x^(2)//a^(2)+y^(2...

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  5. The pole of the line y = x + 2 with respect to the ellipse x2+2y2−4x+...

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  6. The value of k if (1, 2), (k, -1) are conjugate points with respect to...

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  7. If 2x-y+3=0, 4x+ky+3=0 are conjugate with respect to the ellipse 5x^(2...

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  8. The locus of poles with respect to the hyperbola x^(2)//a^(2) -y^(2)...

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  9. Show that the locus of middle points of a focal chord of an ellipe (x^...

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  10. The locus of midpoints of chords of the ellipse x^(2)//a^(2)+y^(2)//b^...

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  11. If the chords of contact of tangents from two points (x(1),y(1)) and (...

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  12. The equation of the chord of the ellipse 2x^(2)+3y^(2)=6 having (1, -1...

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  13. The midpoint of a chord of the ellipse x^(2)+4y^(2)-2x+20y=0 is (2, -4...

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  14. The midpoint of the chord 4x+5y-13=0 of the ellipse 2x^(2)+5y^(2)=20 i...

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  15. If the line 2x + 5y = 12 intersects the ellipse 4x^(2)+5y^(2)=20 in tw...

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  16. The locus of midpoints of chords of the ellipse x^(2)//a^(2)+y^(2)//b^...

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  17. The locus of midpoints of chords of the ellipse x^(2)//a^(2)+y^(2)//b^...

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  18. The locus of midpoints of chords of the ellipse x^(2)//a^(2)+y^(2)//b^...

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  19. The locus of the point of intersection of the perpendicular tangents t...

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  20. The equation of the locus of the middle point of the portion of a tang...

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