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the length of the latusrectum of th...

the length of the latusrectum of the ellipse `5x^(2) + 9x^(2)=45,` is

A

`5//3`

B

`10//3`

C

`2sqrt(5)//5`

D

`sqrt(5)//3`

Text Solution

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The correct Answer is:
B
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  13. if the coordinates of the vertices of an ellipse are (-6,1) and (...

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

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  15. A man running around a race course notes that the sum of the distances...

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  16. Find the angle between the pair of tangents from the point (1,2) to...

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  17. Find the foci of the ellipse 25(x+1)^2+9(y+2)^2=225.

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  18. if the coordinates of the centre , a foucs and adjacent vertex ...

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  19. If x/a+y/b=sqrt(2) touches the ellipse (x^2)/(a^2)+(y^2)/(b^2)=1 , the...

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