

MCQOPTIONS
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1. |
If a complex number is z = \(\left\{ {\frac{{3\; + \;4i}}{{1\; - \;2i}}} \right\}\), then |z| will be: |
A. | \(\sqrt{5}\) |
B. | 1 |
C. | 2\(\sqrt{5}\) |
D. | \(\frac{1}{\sqrt{5}}\) |
Answer» B. 1 | |