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Find the Determinant of the Matrix B=[2−1431−21/245]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=[2−1431−21/245]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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