\left| \begin{array} { c c } { 25 } & { 50 } \\ { 101 } & { 198 } \end{array} \right|
Evaluate
-100
Factor
-100
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det(\left(\begin{matrix}25&50\\101&198\end{matrix}\right))
Find the determinant of the matrix.
25\times 198-50\times 101
For the 2\times 2 matrix \left(\begin{matrix}a&b\\c&d\end{matrix}\right), the determinant is ad-bc.
4950-50\times 101
Multiply 25 times 198.
4950-5050
Multiply 50 times 101.
-100
Subtract 5050 from 4950.
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