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The value of the integral int(-a)^(a)(xe...

The value of the integral `int_(-a)^(a)(xe^(x^(2)))/(1+x^(2))dx` is

A

`e^(a^(2))`

B

0

C

`e^(-a^(2))`

D

a

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2008-MULTIPLE CHOICE QUESTIONS
  1. The value of int(0)^(pi)|cosx|dx is

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  2. The value of int(-3)^(3)(ax^(5)+bx^(3)+cx+k)dx, where a, b, c, k are c...

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  3. The value of the integral int(-a)^(a)(xe^(x^(2)))/(1+x^(2))dx is

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  4. The value of the limit lim(nrarroo)((1)/(n+1)+(1)/(n+2)+.......+(1)/(6...

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  5. The order and degree of the following differential equation [1+((dy)/(...

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  6. The differential equation of the family of circles passing through the...

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  7. The differential equation of the family of curves y=e^(2x)(acosx+bsinx...

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  8. Lt(xrarr(pi)/(2))(a^cotx -a^cosx)/(cotx-cosx),agt0

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  9. Rolle's theorem is not applicable to the function f(x)=|x| for -2lexle...

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  10. The equation of the circle which passes through the points of intersec...

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  11. If 2y=x and 3y+4x=0 are the equations of a pair of conjugate diameters...

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  12. The area enclosed between the curve y=1+x^(2), the y-axis, and the str...

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  13. If t is a parameter, then x=a(t+(1)/(t)),y=b(t-(1)/(t)) represents

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  14. The line which is parallel to x-axis and crosses the curve y=sqrt(x) a...

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  15. The distance between the lines 5x-12y+65=0 and 5x-12y-39=0 is

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  16. The co-ordinates of the foot of perpendicular from (a, 0) on the line ...

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  17. The value of int((-pi)/2)^(pi/2) cosxdx

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  18. Find int 1/(9x^2+6x+5)dx

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  19. The two parabolas x^(2)=4y and y^(2)=4x meet in two distinct points. O...

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  20. The vertex of the parabola x^(2)+2y=8x-7 is

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