`lim_(x->oo) (e^(1/x^2)-1)/(2tan^-1(x^2)-pi)` is equal to (a) `1` (b) `-1` (c) `1/2` (d) `-1/2`

lim_(xtooo) (e^(1//x^(2))-1)/(2tan^(-1)(x^(2))-pi) is equal to

lim_(xrarroo) (e^(1/x^(2))-1)/(2tan^(1)(x^(2))-pi)=

lim_(x rarr oo)(e^(x^(2))-1)/(e^(x^(2))+1)=1

lim_(x rarr oo)((pi)/(2)-tan^(-1)x)^((1)/(x)) is equal to

lim_(x rarr oo)((x^(2)+2x-1)/(2x^(2)-3x-2))^((2x+1)/(2x-1)) is equal to (a) 0 (b) oo(c)(1)/(2) (d) none of these

lim_(x rarr oo)(x^(2)sin((1)/(x))+x+1)/(x^(2)+x+1) is equal to

lim_(x rarr oo)(ax^(2)+b^(2)x+a+bx^(2))/(b+ax)=1 then a-b^(2) is equal to (A) -1 (B) 0 (C) 1/2 (D) 1

lim_(x rarr oo)(1)/(1+n sin^(2)nx)is equal to -1 (b) 0 (c) 1 (d) oo

(lim_(x rarr oo)(sqrt(x^(2)-1))/(2x+1) is equal to 0b*-1c1/2d.1