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("lim")(xvec2)(((x^3-4x)/(x^3-8))^(-1)-(...

`("lim")_(xvec2)(((x^3-4x)/(x^3-8))^(-1)-((x+sqrt(2x))/(x-2)-(sqrt(2))/(sqrt(x)-sqrt(2)))^(-1))i se q u a lto` `1/2` (b) 2 (c) 1 (d) none of these

A

`1//2`

B

2

C

1

D

none of these

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The correct Answer is:
A
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OBJECTIVE RD SHARMA ENGLISH-LIMITS-Exercise
  1. lim(x->oo)x^(3/2)(sqrt(x^3+1)-sqrt(x^3-1))

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  2. lim(xrarr0) x^2sin.(pi)/(x), is

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  3. ("lim")(xvec2)(((x^3-4x)/(x^3-8))^(-1)-((x+sqrt(2x))/(x-2)-(sqrt(2))/(...

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  4. Let L=("lim")(xvec0)(a-sqrt(a^2-x^2)-(x^2)/4)/(x^4),a > 0. IfLi sfin i...

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  5. If lim(xto oo)((x^(2)+1)/(x+1)-ax-b)=2 find the values of a and b.

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  6. Evaluate the following limits : Lim(x to oo) (sqrt(x^(2)+1)-root3(x^...

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  7. lim(xrarr0) (e^(x^(2))-cosx)/(x^2) is equal to

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  8. Write the value of (lim)(x->-oo)(3x+sqrt(9x^2-x))

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  9. underset(xrarr(pi)/(4))(lim)(int(2)^(sec^(2)x)f(t)dt)/(x^(2-)(pi^(2))/...

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  10. The value of underset(xto2)lim(2^(x)+2^(3-x)-6)/(sqrt(2^(-x))-2^(1-x))...

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  11. value of lim(x->0)(1-cos^3x)/(xsinx*cosx) is

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  12. lim(xrarr1)(sqrt1-cos2(x-1))/(x-1), is

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  13. Evaluate the following limits (i) lim(x to (pi)/(2)) tan^(2) x [sqr...

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  14. The value of lim(xrarr 0) (1-cos(1-cos x))/(x^4) is equal to

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  15. The value of lim (xto0) (cos (sin x )- cos x)/(x ^(4)) is equal to :

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  16. The value of underset(xto1)lim(2-x)^(tan((pix)/(2))) is

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  17. The value of lim(xrarroo) ((3x-4)/(3x+2))^(((x+1)/3)) is

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  18. lim(x->oo) ((x^2-2x+1)/(x^2-4x+2))^x is equal to

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  19. The value of lim(xrarr0) ((1+tanx)/(1+sin x))^(cosec x) , is

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  20. lim(x rarr 0)((5x^2+1)/(3x^2+1))^(1//x^2)

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