Page 24 - matriks

Determinan Matriks

 a 11 a 12 a 13 



• JIka A  a 21 a 22 a 23  maka:
 
 a 31 a 32 a 33 

• det(A)= a a a + a a a + a a a –
13 21 23
12 23 31
11 22 33
a a a – a a a - a a a
11 23 32
13 22 13
12 21 33
Atau jika digambar kan seperti berikut:

a 11 a 12 a 13 a 11 a 12

A  a 21 a 22 a 23 a 21 a 22

a 31 a 32 a 33 a 31 a 23