MCQ
If $x$ is a positive integer, then
- A$x + |x| = 0$
- ✓$x - |x| = 0$
- C$x + |x| = -2x$
- D$x = -|x|$
✓
Answer
Correct option: B.
$x - |x| = 0$
If $x$ is positive integer, then $|x| = x.$ So,$ x + |x| = x + x = 2x$ and $x - |x| = x - x = 0.$
Hence, the correct option is $(b).$
Hence, the correct option is $(b).$
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