Jawaban:
Penjelasan dengan langkah-langkah:
A = [4. 5]
[-2 -3]
2A = 2 [ 4. 5]
[-2. -3]
= [8 10]
[-4. -6]
2A⁻¹ =
1. [ -6. -10]
(8x-6) -(-4x10) [ 4. 8]
1. [-6 -10]
(-48)-(-40) [4. 8]
1. [-6. -10]
(-48+40) [4. 8]
-8. [4. 8]
[6/8. 10/8]
[-4/8. -1]
karena tidak ada jawaban pakai cara ke 2
atau
A=[4. 5]
[-2 -3)
A⁻¹=
1. [-3. -5]
[4×-3)-(5×-2] [2. 4]
[-12)-(-10] [2. 4]
1. [-3 -5]
(-12)+10)[2. 4]
1 [-3 -5]
-2. [2. 4]
[3/2. 5/2]
[-1. -2]
2[3/2. 5/2]
[3 . 5]
[-2.-4]
⇒ Opsi C.
Demikian
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Jawaban:
[Matriks]
Invers
Penjelasan dengan langkah-langkah:
A = [4. 5]
[-2 -3]
2A = 2 [ 4. 5]
[-2. -3]
= [8 10]
[-4. -6]
2A⁻¹ =
1. [ -6. -10]
(8x-6) -(-4x10) [ 4. 8]
1. [-6 -10]
(-48)-(-40) [4. 8]
1. [-6. -10]
(-48+40) [4. 8]
1. [-6. -10]
-8. [4. 8]
[6/8. 10/8]
[-4/8. -1]
karena tidak ada jawaban pakai cara ke 2
atau
A=[4. 5]
[-2 -3)
A⁻¹=
1. [-3. -5]
[4×-3)-(5×-2] [2. 4]
1. [-3. -5]
[-12)-(-10] [2. 4]
1. [-3 -5]
(-12)+10)[2. 4]
1 [-3 -5]
-2. [2. 4]
[3/2. 5/2]
[-1. -2]
2[3/2. 5/2]
[-1. -2]
[3 . 5]
[-2.-4]
⇒ Opsi C.
Demikian
Semoga membantu dan bermanfaat!