MCQ
A vector whose initial and terminal points coincide, is:
- ✓Zero Vector
- BEqual Vectors
- CNull Vector
- DUnit Vector
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$\quad \quad \quad \quad \quad 5 x+1,\quad \quad \quad \quad \quad x \leq 2$, then
$f(x)=3 \log _{e}\left|\frac{x-1}{x+1}\right|-\frac{2}{x-1}$
Then in which of the following intervals, function $f ( x )$ is increasing?