\left| \begin{array} { c c } { 8 } & { - 6 } \\ { 6 } & { 1 } \end{array} \right|
Evaluate
44
Factor
2^{2}\times 11
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det(\left(\begin{matrix}8&-6\\6&1\end{matrix}\right))
Find the determinant of the matrix.
8-\left(-6\times 6\right)
For the 2\times 2 matrix \left(\begin{matrix}a&b\\c&d\end{matrix}\right), the determinant is ad-bc.
8-\left(-36\right)
Multiply -6 times 6.
44
Subtract -36 from 8.
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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