Question

Qual o determinante da matriz [-1 2 3 ] [ 0 1 4 ] [ 2 -3 5 ]

Answer 1

$D= \left[\begin{array}{ccccc}-1&2&3&-1&2\\0&1&4&0&1\\2&-3&5&2&-3\end{array}\right] \\ \\ \\ D=-5+16+0-(0+12+6) \\ \\ D=11-(+18) \\ \\ D=11-18 \\ \\ D=-7$