MCQ
Choose the correct answer from the given four options.If a relation $R$ on the set $\{1, 2, 3\}$ be defined by $R = \{(1, 2)\},$ then $R$ is:
- AReflexive.
- ✓Transitive.
- CSymmetric.
- DNone of these.
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$2 x+4 y+2 a z=b$
$x+2 y+3 z=4$
$2 x-5 y+2 z=8$
which of the following is NOT correct?