1) Find the inverse of the matrix: A = [2−3 10]
|A| = 3
A−1 = 13 [03 −12] = [01 −1323]
2) Find the inverse of the matrix: A = [−38 124]
|A| = −84
A−1 = 1−84 [4−8 −123] = [−121121 17−128]
3) Find the inverse of the matrix: A = [83 219]
|A| = 9
A−1 = 19 [9−3 −218] = [1−13 −7389]
4) Find the inverse of the matrix: A = [−26 3−5]
|A| = −8
A−1 = 1−8 [−5−6 −3−2] = [5834 3814]
5) Find the inverse of the matrix: A = [113 154]
|A| = −1
A−1 = 1−1 [4−3 −1511] = [−43 15−11]
6) Find the inverse of the matrix: A = [423 212]
|A| = 2
A−1 = 12 [12−23 −24] = [6−232 −12]
7) Find the inverse of the matrix: A = [93 176]
|A| = 3
A3 = 13 [6−3 −179] = [2−1 −1733]
8) Find the inverse of the matrix: A = [−58 −47]
|A| = −3
A−1 = 1−3 [7−8 4−5] = [−7383 43−73]
9) Find the inverse of the matrix: A = [6−16 2−5]
|A| = 2
A−1 = 12 [−516 −26] = [−528 −13]
10) Find the inverse of the matrix: A = [337 92]
|A| = 3
A−1 = 13 [2−7 −933] = [23−73 −311]