Practicing Success
If \(A=\left[\begin{array}{lll}1&0&1\\ 0&1&2\\ 0&0&4\end{array}\right]\) then which of the following relation is satisfies |
\(\left|2A\right|=4\left|A\right|\) \(\left|3A\right|=27\left|A\right|\) \(\left|A\right|=0\) None |
\(\left|3A\right|=27\left|A\right|\) |
Find \(\left|A\right|\) and \(\left|3A\right|\) |