if `f(x)={(|x+2|)/(tan^-1(x+2)), x!=-2 and 2, x=-2` then, `f(x)` is

If f(x)={(|x+2|)/(tan^(-1)(x+2)), x!=-2 2, x=-2 , then f(x) is continuous at x=-2 (b) not continuous at x=-2 (c) differentiable at x=-2 (d) continuous but not derivative at x=-2

If f(x)={{:(,(|x+2|)/(tan^(-1)(x+2)),x ne -2),(,2, x=-2):} , then f(x) is

If f(x)=tan^(-1) ((2x)/(1-x^(2))), x in R "then "f'(x) is given by

If f(x)=lim_(t to 0)[(2x)/(pi).tan^(-1)(x/(t^(2)))] ,then f(1) is …….

The function f(x) = (|x+2|)/(tan^(-1)(x+2)) , is continuous for

If the function f(x)=((1-x))/(2)tan.(pix)/(2) is continuous at x = 1, then f(1) is equal to

Let f(x) = tan^(-1)(((x-2))/(x^(2)+2x+2)) ,then 26 f'(1) is