\left| \begin{array} { l l } { 6 } & { 5 } \\ { 8 } & { 3 } \end{array} \right|
Evaluate
-22
Factor
-22
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det(\left(\begin{matrix}6&5\\8&3\end{matrix}\right))
Find the determinant of the matrix.
6\times 3-5\times 8
For the 2\times 2 matrix \left(\begin{matrix}a&b\\c&d\end{matrix}\right), the determinant is ad-bc.
18-5\times 8
Multiply 6 times 3.
18-40
Multiply 5 times 8.
-22
Subtract 40 from 18.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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