Find the Determinant of the Matrix $B=\left[\begin{array}{rrr}2 & -1 & 4 \\3 & 1 & -2 \\1 / 2 & 4 & 5\end{array}\right]$

question 45

Short Answer

Find the determinant of the matrix
$B=\left[\begin{array}{rrr}2 & -1 & 4 \\3 & 1 & -2 \\1 / 2 & 4 & 5\end{array}\right]$
Does matrix B have an inverse?

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