

MCQOPTIONS
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1. |
If \(\left| {\begin{array}{*{20}{c}} {6i}&{ - 3i}&1\\ 4&{3i}&{ - 1}\\ {20}&3&i \end{array}} \right| = x + iy\), then the values of x and y are: |
A. | x = 0, y = 0 |
B. | x = 0, y = 1 |
C. | x = 0, y = -1 |
D. | x = 1, y = -1 |
Answer» B. x = 0, y = 1 | |