MCQ
Function $f(x)={\left( {1 + \frac{1}{x}} \right)^x}$ then The function $ f (x)$
- Ahas a maxima but no minima
- Bhas a minima but no maxima
- Chas exactly one maxima and one minima
- ✓has neither a maxima nor a minima
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$L_1: \frac{ x -1}{2}=\frac{ y -3}{1}=\frac{ z -2}{2}$
$L _2: \frac{ x -2}{1}=\frac{ y -2}{2}=\frac{ z -3}{3}$
A line $L _3$ having direction ratios $1,-1,-2$, intersects $L _1$ and $L _2$ at the points $P$ and $Q$ respectively. Then the length of line segment $PQ$ is