Let `f(x)=x|sin x|,x in R.` Then

Let f(x) = |sin x| .Then

Let f(x) = |sin x|. Then

Let f(x)=sin x,x =0 then

Let f(x)=(x)/(1+|x|),x in R, then f is

Let f(x) = x - [x] , x in R then f(1/2) is

Let f(x)=x-cosx, x in R , then f is :

Let f(x)=x-[x],x in R, then f'((1)/(2)) is

Let f(x) = x-[x], x in R then f^(')(1/2) is

Let f(x)=[x^(2)]sin pi x , x in R , the number of points in the interval (0,3] at which the function is discontinuous is _