If \(\left| {\begin{array}{*{20}{c}} 5&a\\ a&2 \end{array}} \right| = \left| {\begin{array}{*{20}{c}} 2&1\\ 3&2 \end{array}} \right|\), then the values of a are:

If \(\left| {\begin{array}{*{20}{c}} 5&a\\ a&2 \end{array}} \right| =

1.	If \(\left\| {\begin{array}{{20}{c}} 5&a\\ a&2 \end{array}} \right\| = \left\| {\begin{array}{{20}{c}} 2&1\\ 3&2 \end{array}} \right\|\), then the values of a are:
A.	± 1
B.	± 2
C.	± 3
D.	± 4
Answer» D. ± 4

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If \(\left| {\begin{array}{{20}{c}} 5&a\\ a&2 \end{array}} \right| = \left| {\begin{array}{{20}{c}} 2&1\\ 3&2 \end{array}} \right|\), then the values of a are:

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