Find the value of det(3A) for the following matrix:
\({\rm{A}} = {\rm{\;}}\left[ {\begin{array}{*{20}{c}} 4&7&1\\ { - 1}&3&2\\ { - 2}&0&5 \end{array}} \right]\)
1
1458
2
81
3
27
4
1971
Find the value of det(3A) for the following matrix:
\({\rm{A}} = {\rm{\;}}\left[ {\begin{array}{*{20}{c}} 4&7&1\\ { - 1}&3&2\\ { - 2}&0&5 \end{array}} \right]\)