Leysa {cc}{6}&{9}{5}&{-3} | Microsoft stærðfræði leysa

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https://socratic.org/questions/how-do-you-find-the-determinant-of-6-5-0-8

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https://socratic.org/questions/how-do-you-find-the-determinant-of-2-3-2-1

https://socratic.org/questions/how-do-you-find-the-determinant-of-9-12-12-16

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Afritað á klemmuspjald

det(\left(\begin{matrix}6&9\\5&-3\end{matrix}\right))

Finndu ákveðu fylkisins.

6\left(-3\right)-9\times 5

Fyrir 2\times 2 fylkið \left(\begin{matrix}a&b\\c&d\end{matrix}\right) er ákvörðunin ad-bc.

-18-9\times 5

Margfaldaðu 6 sinnum -3.

-18-45

Margfaldaðu 9 sinnum 5.

-63

Dragðu 45 frá -18.

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