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det(\left(\begin{matrix}2&4\\-1&2\end{matrix}\right))

Poiščite determinanto matrike.

2\times 2-4\left(-1\right)

Za matriko 2\times 2 \left(\begin{matrix}a&b\\c&d\end{matrix}\right) je determinanta ad-bc.

4-4\left(-1\right)

Pomnožite 2 s/z 2.

4-\left(-4\right)

Pomnožite 4 s/z -1.

8

Odštejte -4 od 4.

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