Find the value of the determinant |3 −1; 1 4|
Find the value of the following determinant.
\[\begin{vmatrix} 3 & -1 \\ 1 & 4 \end{vmatrix}\]Find the value of the following determinant.
\[\begin{vmatrix} 3 & -1 \\ 1 & 4 \end{vmatrix}\]Answer: \(13\)
Value of a determinant \(= ad - bc\).
\[\begin{vmatrix} 3 & -1 \\ 1 & 4 \end{vmatrix} = 3\times 4 - (-1)\times 1 = 13\]Log in or create a free account to answer this question.