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The sum of the focal distances of any po...

The sum of the focal distances of any point on the conic `(x^(2))/(25)+(y^(2))/(16)=1`is...

A

10

B

9

C

41

D

18

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The correct Answer is:
A
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KCET PREVIOUS YEAR PAPERS-KARNATAKA CET 2005-MATHEMATICS
  1. The radius of the circle x^(2) + y^(2) + 4x + 6y +13 = 0 is...

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  2. The centre of the circle x = 2 + 3 cos theta y = 3 sin theta -1 is ...

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  3. The sum of the focal distances of any point on the conic (x^(2))/(25)+...

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  4. The eccentricity of the hyperbola(x^(2))/(16)+(y^(2))/(25)=1is...

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  5. The solutions of the equation |(x,2,-1),(2,5,x),(-1,2,x)|=0 are

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  6. If A=[(3,5),(2,0)] and B = [(1,17),(0,-10)] then |AB| is equal to

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  7. The inverse of the matrix[underset(3)(5)     underset(1)(-2)]is….

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  8. The projection of the vector 2overset(^)(i)+overset(^)(j)-3overset(^)(...

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  9. A unit vector perpendicular to the plane containing the vectorsoverset...

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  10. If 12 cot^(2)theta - 31 cosec theta+32 = 0 then the value of Sin theta...

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  11. The circum-radius of the triangle whose sides are 13, 12 and 5 is...

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  12. If tan^(-1) x + tan^(-1) y =(pi)/(4) then...

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  13. The general solution of sin x - cos x= sqrt2, for any integer 'n' is

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  14. The amplitude of (1+sqrt(3i))/(sqrt(3)+i) is

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  15. The sum to infinity of the progression9-3+1 -(1)/(3) + .... is

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  16. If "C(12) = "^(n)C(6)then (n)(2)^C=

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  17. The middle term in the expansion of((x-(1))/(x))^(18) is...

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  18. If alpha,beta,gamma are the roots of the equation2x^(3) -3x^(2) +6x + ...

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  19. The digit in the units place in the number 7^(289) is...

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  20. If a, b and care mutually perpendicular unit vectors, then |a+b+c|is e...

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