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det(\left(\begin{matrix}0&5&4\\5&6&-6\\-2&-3&2\end{matrix}\right))
Kimihia te tau whakatau o te poukapa mā te whakamahi i te tikanga hauroki.
\left(\begin{matrix}0&5&4&0&5\\5&6&-6&5&6\\-2&-3&2&-2&-3\end{matrix}\right)
Whakaroatia te poukapa taketake mā te tāruarua i ngā tīwae tuatahi e rua hei tīwae tuawhā me te tuarima.
5\left(-6\right)\left(-2\right)+4\times 5\left(-3\right)=0
Tīmata atu i te tāurunga mauī o runga, whakareatia whakararo i ngā hauroki, ka tāpiri i ngā hua ka puta.
-2\times 6\times 4+2\times 5\times 5=2
Tīmata atu i te tāurunga mauī o raro, whakareatia whakarunga i ngā hauroki, ka tāpiri i ngā hua ka puta.
-2
Tangohia te tapeke o ngā hauroki whakarunga mai i te tapeke o ngā hua hauroki whakararo.
det(\left(\begin{matrix}0&5&4\\5&6&-6\\-2&-3&2\end{matrix}\right))
Kimihia te tau whakatau o te poukapa mā te whakamahi i te tikanga whakaroha ā-tauriki (te tikanga whakaroha ā-tauwehe tahi rānei).
-5det(\left(\begin{matrix}5&-6\\-2&2\end{matrix}\right))+4det(\left(\begin{matrix}5&6\\-2&-3\end{matrix}\right))
Hei whakaroha mā ngā tauriki, me whakarea ia huānga o te haupae tuatahi ki tana tauriki, arā, ko te tau whakatau o te poukapa 2\times 2 i hangā mā te muku i te haupae me te tīwae i roto anō taua huānga, kātahi ka whakarea ki te tohu tūnga o taua huānga.
-5\left(5\times 2-\left(-2\left(-6\right)\right)\right)+4\left(5\left(-3\right)-\left(-2\times 6\right)\right)
Mō te poukapa 2\times 2 \left(\begin{matrix}a&b\\c&d\end{matrix}\right), ko te ad-bc te tau whakatau.
-5\left(-2\right)+4\left(-3\right)
Whakarūnātia.
-2
Tāpirihia ngā kīanga tau hei kimi i te otinga whakamutunga.