Tolong soal no.17 yaa Pake caranya jg Makasih banyak

Tolong soal no.17 yaa
Pake caranya jg
Makasih banyak

Tolong soal no.17 yaa
Pake caranya jg
Makasih banyak

Penjelasan dengan langkah-langkah:

$left[begin{array}{ccc}a&b\c&dend{array}right] left[begin{array}{ccc} - 5&7\1& - 3end{array}right] = left[begin{array}{ccc}13& - 23\ - 26&46end{array}right] \ \ left[begin{array}{ccc} - 5a + b&7a - 3b\ - 5c + d&7c - dend{array}right] = left[begin{array}{ccc}13& - 23\ - 26&46end{array}right] \ \ - 5a + b = 13 \ 7a - 3b = - 23 \ - 5c + d = - 26 \ 7c - 3d = 46 \ \left { {{ - 5a + b = 13} atop {7a - 3b = - 23}} right. \ left { {{- 5c + d = - 26 } atop {7c - 3d = 46 }} right. \ \ left { {{ - 15a + 3b = 39} atop {7a - 3b = - 23}} right. \ left { {{- 15c +3 d = - 78 } atop {7c - 3d = 46 }} right. \ \ - 8a = 16 \ - 8c = - 32 \ \ a = - 2\ c = 4 \ \ - 5 a + b = 13 \ - 5c + d = - 26 \ \ - 5( - 2) + b = 13 \ - 5 times 4 + d = - 26 \ \ b = 3\ d = - 6 \ \ left[begin{array}{ccc}a&b\c&dend{array}right] = left[begin{array}{ccc} - 2&3\4& - 6end{array}right]$

Tolong soal no.17 yaa Pake caranya jg Makasih banyak

jawaban = d

jadikan jawabanku yg terbaik