mohon bantuannya kakak (cara rumusan matriks kak)

Transpose matriks A adalah:
[tex] A^{t}= \left[\begin{array}{ccc}8&-4\\7&6\\\end{array}\right] [/tex]


Maka determinan A transpose adalah:
[tex]|A|= \left[\begin{array}{ccc}8&-4\\7&6\\\end{array}\right] =8.6-(-4)(7)=48+28=76[/tex]