Page 7 - Evri Sariati Pakpahan_4183111061_Flipbook Matriks
P. 7
11 TH GRADE
CONTOH 2
2 1 3
Misalkan matriks = −1 3 0
2 −3 4
2 1 3 2 1
Det (B) = = −1 3 0 −1 3
2 −3 4 2 −3
= 2.3.4 + 1.0.2 + 3. −1 . −3 − 3.3.2 − 2.0. −3 − 1. −1 . 4
= 24 + 0 + 9 − 18 − 0 − −4
= 19
