Teaching HSSC TGT 2023 Mock Test (Latest Pattern) Engineering Mathematics Calculus Differentiability
What is the set of all points, where the function \(\rm f(x)=\frac{x}{1+|x|}\) is differentiable?
1
(-∞, ∞) only
2
(0, ∞) only
3
(-∞, 0) ∪ (0, ∞) only
4
(-∞, 0) only
5
Not Attempted