Which of thefollowingfunctionis non- differentiable ?
Answer»
`f(x) =(e^(x)-1)|e^(2X)-1|"in" R` `f(x)=(x-1)/(x^(2)+1)i NR ` `f(x) ={{:(||x-3|-1|, xlt3),((x)/(3)[x] -2 , x ge 3):}` where [.]representsthegreatestintegerfunction `f(x) =3(x-2)^((3)/(4))+3 i N R`