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Posted: **Thu May 12, 2022 1:52 pm**

: 18 Determine If The Following Matrices Are Invertible If They Are Find The Inverse 15 Of 1 A A 0 3 1 2 1 B 1 (16.74 KiB) Viewed 27 times

* (18) Determine if the following matrices are invertible. If they are, find the inverse. 15 of 1 (a) A = 0-3 1 2-1 (b) A = -1 1 0 1 3 4 cos-sin * (19) Is the matrix A = invertible? If it is, compute A-! Compute sin e cos (A? - A ).