Mathematics · 2021
JEE Main · 25 February 2021, Shift 1 · Q86
The number of points, at which the function f(x)=|2 x+1|-3|x+2|+|x^2+x-2|, x ∈ R is not differentiable, is \ \ \ \.
The number of points, at which the function $\displaystyle f(x)=|2 x+1|-3|x+2|+\left|x^2+x-2\right|, x \in \mathbf{R}$ is not differentiable, is \_\_\_\_.
Official answer
2
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