HOTS
(Higher Order Thinking Skills)
Program Studi Matematika IPA 2019
Persiapan Ujian Matematika IPA 2019
Jawaban Ujian Matematika IPA 2019
14. Diketahui matriks :
C = AB maka A-1 adalah ...
Jawaban : D
C = A B
C B-1 = A
B-1 =
-3 2
2 -1
C B-1 =
5. -3 + 9.2 5.2 + 9.-1
8. -3 + 14.2 8.2 + 14.-1
C B-1 = A =
3 1
4 2
A-1 =
1/2 .
2 -1
-4 3
A-1 =
1 -1/2
-2 3/2
>> Soal 15
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