If `(lim)_(x->0)(sqrt(a x+b)-2)/x=1\ fin d\ a\ a n d\ bdot`

(lim)_(x->0)(sqrt(1+x)-1)/x is equal to a. 1 b . 0 c. 2 d. 1/2

If ("lim")_(x to0)(a e^x-b)/x = 2 , then find the value of a a n d bdot

(lim)_(x->oo)(sqrt(x^2-1))/(2x+1) is equal to a. 0 b . -1 c. 1//2 d. 1

If ("lim")_(x to0)(a e^x-b)/x = 2 , then find the value of a and bdot

If (lim)_(x->0)(sin(n x)[(a-n)n x-t a n x])/(x^2)=n (n >0) then the value of ' a ' is equal to 1/n b. n^2+1 c. (n^2+1)/n d. none

The value of lim_(x->0)(sqrt(1-cos"x"^2))/(1-cosx) is a. 1/2 b. 2 c. sqrt(2) d. none of these

If (lim)_(x->oo)(sqrt((x^4-x^2+1))-a x^2-b)=0 , then there exists at least one a\ a n d\ b for which point (a,-2b) lies on the line.

(lim)_(x->0)(1-cos2x)/x is a. 1 b . 2 c. 4 d. 0

The value of (lim)x->0(sqrt(1-cos"x"^2))/(1-cosx) is a. 1/2 b. 2 c. sqrt(2) d. none of these

(lim)_(x->0)(|sin x|)/x is a. 1 b . -1 c. 0 d. none of these