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The value of lim(ntooo)[(n)/(n^(2)+1^(2)...

The value of `lim_(ntooo)[(n)/(n^(2)+1^(2))+(n)/(n^(2)+2^(2))+..........+(n)/(n^(2)+n^(2))]` is

A

`(pi)/(4)`

B

`log2`

C

0

D

1

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2009-MULTIPLE CHOICE QUESTIONS
  1. A and B are two independent events such that P(AuuB')=0.8, and P(A)=0....

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  2. The total number of tangents through the point (3,5) that can be drawn...

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  3. The value of lim(ntooo)[(n)/(n^(2)+1^(2))+(n)/(n^(2)+2^(2))+.............

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  4. A particle is moving in a straight line. At time, the distance between...

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  5. convert into A+iB form, (1-i)/(3+i)+(4i)/(5)

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  6. The co-ordinates of the foot of the perpendicular from (0, 0) upon the...

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  7. If A is a square matrix then,

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  8. Center of the circle x^(2) + y^(2) - 6x + 4y - 12 = 0 is -

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  9. If A^(2)-A+I=0 then the inverse of the matrix A is

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  10. If C is the reflection of A (2, 4) in x-axis and B is the reflection o...

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  11. The value of cos15^(@)cos7(1^(@))/(2)sin7(1^(@))/(2) is

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  12. The value of integral int(-1)^(1)(|x+2|)/(x+2)dx is

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  13. The line y=2t^(2) intersects the ellipse (x^(2))/(9)+(y^(2))/(4)=1 in ...

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  14. General solutio of sin x+cos x=min(a in R) {1,a^(2)-4a+6} is

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  15. If A and B ar square matrices of the same order and AB=3I, =then A^(-...

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  16. The co-ordinates of the focus of the parabola described paraetrically...

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  17. For any two sets A and B, A-(A-B) equals

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  18. If a=2sqrt2,b=6,A=45^(@) then

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  19. A Mapping from IN to N is defined as follows: f:lNtolN f(n)=(n+5)^(...

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  20. If in a triangle ABC,sin^2A+sin^2B+sin^2C=2 then the triangle is alway...

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