Page 57 - E-Modul Matematika_Neat
P. 57
Inisiasi dan Akuisisi
Invers Matriks AB
4 5 3 −2
= [ ] [ ]
5 6 5 −3
37 −23
= [ ]
45 −28
| | = (37 × (−28)) − (−23 × 45)
= −1036 − (−1035)
= −1
1 −28 23
( ) −1 = [ ]
−1 −45 37
28 −23
= [ ]
45 −37
42
