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The length of the latus - rectum of the ...

The length of the latus - rectum of the ellipse `(x^(2))/(25) + (y^(2))/(9) = 1` is

A

`(9)/(5)`

B

`(18)/(5)`

C

`(50)/(3)`

D

`(25)/(3)`

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The correct Answer is:
B
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KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER 9-Mathematics
  1. The equation to the parabola with focus (2, 0) and the directrix x + 3...

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  2. If 2y = 5x + k is a tangent to the parabola y^(2) = 6x then k =

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  3. The length of the latus - rectum of the ellipse (x^(2))/(25) + (y^(2))...

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

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  5. The product of the perpendiculars from the foci on any tangent to the ...

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  6. int(e^(sqrt(x)))/(sqrt(x)) dx =

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  7. underset(0)overset(a)int sqrt(a^(2) - x^(2)) dx =

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  8. int(0)^(pi//2)(dx)/(a^(2)cos^(2)x + b^(2) sin^(2) x) =

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  9. int(0)^(pi//2) log sin x dx =

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  10. {:(Lt),(n->oo):}[(1)/(n+1) + (1)/(n+2) + … "to n terms"] =

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  11. The area enclosed within the curve |x|+|y| = 1 is

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  12. int(x^(2) + 1)/(x^(4) + 1) dx =

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  13. If the position vectors of vec(A) and vec(B) are 3hat(i) - 2hat(j) + h...

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  14. If a = I + j, b = j + k and c = k +i, a unit vector parallel to a + b...

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  15. If |vec(a) + vec(b)| = |vec(a) - vec(b)| then

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  16. If |vec(a)| = 5, |vec(b)| = 6 and the angle between vec(a) and vec(b) ...

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  17. If |vec(a)| = 3, |vec(b) = 4 and |vec(a) + vec(b)| = 1, then |vec(a) -...

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  18. {:(" "Lt),(x rarr 0):} [(x)/(sqrt(1+x)-sqrt(1-x))] =

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  19. If y = sin x^(0), (dy)/(dx) =

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  20. If y = tan^(-1)((x+a)/(1-xa)) then (dy)/(dx) =

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