MCQ
The objective function of $\text{LPP}$ defined over the convex set attains its optimum value at.
- AAtleast two of the corner points.
- BAll the corner points.
- ✓Atleast one of the corner points.
- DNone of the corner points.
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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