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Evaluate \(\begin{vmatrix}1&1&-2\\3&4&5\\-1&2&1\end{vmatrix}\).
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Evaluate \(\begin{vmatrix}1&1&-2\\3&4&5\\-1&2&1\end{vmatrix}\).
Posted:
Wed Jul 13, 2022 8:07 pm
by
answerhappygod
a) -6
b) -34
c) 34
d) 22