$\left| {(1 + i)\frac{{(2 + i)}}{{(3 + i)}}} \right| = $
$\left| {(1 + i)\frac{{(2 + i)}}{{(3 + i)}}} \right| = $
- A
$ - \frac{1}{2}$
- B
$\frac{1}{2}$
- C
$1$
- D
$ - 1$
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- [IIT 1979]
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