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If f(a)=2,f'(a)=1,g(a)=-3,g'(a)=-1 then ...

If `f(a)=2,f'(a)=1,g(a)=-3,g'(a)=-1` then `Lim_(xtoa)(f(a)g(x)-f(x)g(a))/(x-a)=`

A

6

B

1

C

(-1)

D

(-5)

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The correct Answer is:
B
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HIMALAYA PUBLICATION-LIMITS, CONTINUITY AND DIFFERENTIABILITY-QUESTION BANK
  1. The value of Lim(xto pi)(sqrt(2+cosx)-1)/((pi-x)^(2)) is

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  2. If f (x) = |{:( sin x , cos x , tan x) , (x^(3) , x^(2) , x) , (2x , 1...

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  3. If f(a)=2,f'(a)=1,g(a)=-3,g'(a)=-1 then Lim(xtoa)(f(a)g(x)-f(x)g(a))/(...

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  4. lim(x rarr 0) (1-ax)^(1/x) =

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  5. Lim(nto oo)(3^(n)+4^(n))^((1)/(n))=

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  6. lim(x rarr oo) (1-4/(x-1))^(3x-1) =

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  7. The value of lim(x rarr 1) (tan^(2)(x-1))/(x^(3)-x^(2)-x+1) =

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  8. lim(theta rarr pi/2) (pi/2- theta)/(cot theta) =

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  9. lim(x rarr 0) (tan x - sin x)/(x^(3)) =

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  10. The value of lim(x to 0)(5^(x)-5^(-x))/(2x)=

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  11. lim(x-1)(tan(x^(2)-1))/(x-1) is equal to

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  12. The value of lim(x rarr oo) (3^(x+1) - 5^(x+1))/(3^(x)-5^(x) is

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  13. If G(x) = -sqrt(25-x^(2)) the lim(x rarr 1) (G(x)-G(1))/(x-1) =

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  14. lim(n rarr oo) ((1)/(1-n^(2)) + (2)/(1-n^(2)) +…...+(n)/(1-n^(2))) is ...

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  15. lim(x rarr oo) ((2 + x)^(40) (4 + x)^(5))/((2-x)^(45)) is :

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  16. lim(x rarr oo) x^(n)/e^(x) = 0 (n is an integer) for

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  17. If f(x) = sqrt((x-sinx)/(x+cos^(2)x)), then lim(x rarr oo) f(x) =

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  18. lim(x rarr 0) {tan (pi/4+x)}^(1/x) =

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  19. The value of lim(x rarr 0) ((1 + 5x^(2))/(1+3x^(2)))^(1//x^(2)) is :

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  20. lim(x rarr 1) (sqrt(1 - cos 2 (x - 1)))/(x -1) :

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