If 
, find A2.
Now, we have to find the A2
⇒ A2 = I
AI is thinking…
Couldn't generate an explanation.
Generated by AI. May contain inaccuracies — always verify with your textbook.
5. Algebra of Matrices
1
2
2
3
4
4
4
4
5
5
5
5
5
5
5
6
6
6
6
6
7
7
7
8
9
10
11
12
13
14
15
16
17
17
17
18
19
20
21
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
15
15
16
17
18
18
19
19
20
21
22
1
1
1
2
2
2
3
3
3
3
4
4
5
5
5
6
7
8
9
10
11
12
13
14
15
16
16
17
17
18
19
20
21
22
23
24
24
25
26
27
28
29
30
31
22
33
34
35
36
37
38
39
40
40
40
40
41
42
43
44
45
46
47
48
48
48
48
48
48
49
50
51
52
53
54
54
55
56
57
58
59
60
61
62
63
64
65
65
65
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
1
1
1
1
2
3
3
3
4
5
6
6
7
8
9
10
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
Report submitted
Thank you — our team will review your report shortly.