Determinant van $$$\left[\begin{array}{cc}x & x^{5}\\1 & 5 x^{4}\end{array}\right]$$$
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Uw invoer
Bereken $$$\left|\begin{array}{cc}x & x^{5}\\1 & 5 x^{4}\end{array}\right|$$$.
Oplossing
De determinant van een 2x2-matrix is $$$\left|\begin{array}{cc}a & b\\c & d\end{array}\right| = a d - b c$$$.
$$$\left|\begin{array}{cc}x & x^{5}\\1 & 5 x^{4}\end{array}\right| = \left(x\right)\cdot \left(5 x^{4}\right) - \left(x^{5}\right)\cdot \left(1\right) = 4 x^{5}$$$
Antwoord
$$$\left|\begin{array}{cc}x & x^{5}\\1 & 5 x^{4}\end{array}\right| = 4 x^{5}$$$A
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