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The normal to the ellipse x^(2)+4 y^(2)=...

The normal to the ellipse `x^(2)+4 y^(2)=20` at the point `(4,-1)` is given by

A

`x+2 y=6`

B

`x+2 y=2`

C

`y=y+5`

D

`x+y=3`

Text Solution

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The correct Answer is:
D
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HIMALAYA PUBLICATION-ELLIPSE-QUESTION BANK
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  3. The normal to the ellipse x^(2)+4 y^(2)=20 at the point (4,-1) is give...

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  6. Equation of the normal to the ellipse x^(2)+2 y^(2)=4at the point ((pi...

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  7. The equation of the tangent to the parabola y^(2)=16 x at (1,4) is

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  8. The tangent of the ellipse x^(2)+5 y^(2)=14 at (3,-1) is given by

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  11. If the minor axis of an ellipse subtends an angle60^(circ) at each foc...

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  12. The auxilary circle of the ellipse 9 x^(2)+4 y^(2)=1 is

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  13. P is any point on the ellipse 9x^(2) + 36y^(2) = 324 whose foci are S ...

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  17. The distance of the point theta^(prime) on the ellipse (x^(2))/(a^(2)...

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