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If the length of the major axis of an e...

If the length of the major axis of an ellipse in 3 times the length of minor axis , then its eccentricity is

A

`1/sqrt2`

B

`1/sqrt3`

C

`(2sqrt2)/3`

D

`(2sqrt2)/5`

Text Solution

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The correct Answer is:
C
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ARIHANT MATHS ENGLISH-ELLIPSE-Exercise For Session 1
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  2. The equation (x^(2))/(10-a)+(y^(2))/(4-a)=1 represents an ellipse ...

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  3. Find the eccentricity of an ellipse (x^2)/(a^2)+(y^2)/(b^2)=1 whose la...

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  4. If the eccentricity of an ellipse is 1/sqrt2, then its latusrectum is ...

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  5. If the distance between the foci of an ellipse is equal to length of m...

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  6. The eccentric angle of a point on the ellipse x^(2)/6 + y^(2)/2 = 1 wh...

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  7. If tantheta1.tantheta2=a^2/b^2 then the chord Joining two points theta...

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  8. If the eccentricities of the two ellipse (x^(2))/(169)+(y^(2))/(25)=...

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  9. The ratio of the area of triangle inscribed in ellipse (x^2)/(a^2)+...

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  10. If PSQ is a focal chord of the ellipse 16x^(2)+25y^(2)=400 such that S...

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  11. Let P be a variable point on the ellipse x^(2)/25 + y^(2)/16 = 1 with ...

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  12. S1a n dS2 are the foci of an ellipse of major axis of length 10 units,...

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  13. Find the latus rectum, eccentricity, coordinates of the foci and the l...

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  14. The distance between the foci of an ellipse is 10 and its latus rectum...

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  15. Find the equation of the ellipse whose axes are parallel to the coo...

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  16. Find the equation of the ellipse whose foci are (2,3),(-2,3) and whose...

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  17. Show that the equation (10x-5)^(2)+(10y-5)^(2)=(3x+4y-1)^(2) represent...

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  18. The locus of extremities of the latus rectum of the family of ellipse ...

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