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The lim(x to oo) ((3x-1)/(3x+1))^(4x) eq...

The `lim_(x to oo) ((3x-1)/(3x+1))^(4x)` equals

A

1

B

0

C

`e^(-8//3)`

D

`e^(-4//9)`

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2021-MULTIPLE CHOICE QUESTION
  1. The differential of f(x)=log(e ) (1+e^(10x))-tan^(-1) (e^(5x)) at x = ...

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  2. Given that f: S to R is said to have a fixed point at c of S if f(c )...

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  3. The lim(x to oo) ((3x-1)/(3x+1))^(4x) equals

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  4. The area bounded by the parabolas y=4x^(2), y=(x^(2))/(9) and the stra...

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  5. If a(vecalpha xx vecbeta) + b(vecbeta xx vecgamma) +c(vecgamma xx veca...

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  6. If the tangent at the point P with co-ordinates (h, k) on the curve y^...

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  7. The co-efficient of a^(3)b^(4)c^(5) in the expansion of (bc+ca+ab)^(6)...

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  8. Three unequal positive numbers a, b, c are such that a, b, c are in G....

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  9. The determinant |(a^(2)+10,ab, ac),(ab, b^(2)+10, bc),(ac, bc, c^(2)...

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  10. Let R be the real line. Let the relations S and T on R be defined by ...

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  11. The plane lx + my = 0 is rotated about its line of intersection with t...

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  12. The points of intersection of two ellipses x^(2)+2y^(2) -6x-12y+20=0 a...

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  13. Let I= int(pi//4)^(pi//3) (sinx)/(x)dx. Then

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  14. If |z+i|-|z-1|=|z|-2=0 for a complex number z, then z =

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  15. |(x, 3x+2,2x-1),(2x-1,4x,3x+1),(7x-2,17x+6,12x-1)|=0 is true for

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  16. The remainder when 7^(7^(7^(...^(7))))(22 times 7) is divided by 48 is

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  17. int dx/((2+x)sqrt(1+x) =

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  18. A plane meets the co-ordinate axes at the points A, B, C respectively ...

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  19. Let P be a variable point on a circle C and Q be a fixed point outside...

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  20. underset(nrarrinfty)lim (sqrt1+sqrt2+.......+sqrt(n-1))/(nsqrtn) = ?

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