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The sum of the squares of the perpendicu...

The sum of the squares of the perpendiculars on any tangents to the ellipse `(x^2)/(a^2)+(y^2)/(b^2)=1` from two points on the minor axis each at a distance `a e` from the center is `2a^2` (b) `2b^2` (c) `a^2+b^2` `a^2-b^2`

A

`a^2`

B

`b^2`

C

`2a^2`

D

`2b^2`

Text Solution

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The correct Answer is:
C
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ML KHANNA-THE ELLIPSE-PROBLEM SET (2) (Multiple Choice Questions)
  1. An ellipse passes through the point (4,-1) and touches the line x+4...

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  2. If a tangent having a slope of -4/3 to the ellipse x^2/18 + y^2/32 = 1...

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  3. The sum of the squares of the perpendiculars on any tangents to the ...

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  4. The product of the perpendiculars drawn from the two foci of an ellips...

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  5. The points (1, -1) and (2, - 1) are the foci of an ellipse and the lin...

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  6. If F1 and F2 be the feet of the perpendiculars from the foci S1 and S2...

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  7. if the tangent at the point (4 cos phi , (16)/(sqrt(11) )sin phi ...

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  8. The length of a common tangent to x^2 + y^2 = 16 and 9x^2 + 25y^2 = 22...

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  9. If x/a + y/b = sqrt(2) touches the ellipse (x^2)/(a^2) + (y^2)/(b^2) =...

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  10. If sqrt(3) bx +ay = 2ab touches the ellipse (x^2)/(a^2) + (y^2)/(b^2) ...

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  11. The eccentric angle of a point P lying in the first quadrant on the el...

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  12. If theta is the angle between the pair of tangents drawn to the ellips...

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  13. Two perpendicular tangents drawn to the ellipse (x^2)/(25)+(y^2)/(16)=...

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  14. An ellipse slides between two perpendicular lines the locus of ...

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  15. The line 2x+y=3 cuts the ellipse 4x^(2)+y^(2)=5 at points P and Q. If ...

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  16. If the normal at one end of the latus rectum of the ellipse (x^2)/(...

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  17. Find the equation of the normal to the ellipse (x^2)/(a^2)+(y^2)/(b^2)...

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  18. The area of rectangle formed by perpendiculars from the centre of elli...

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  19. If the normal at the point P( theta) to the ellipse (x^(2))/(14)...

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  20. The locus of the mid-points of the portion of the tangents to the elli...

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