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Posted: **Fri Jul 08, 2022 5:32 am**

: Question 1 20 Points A 15 Points Find The Determinant Of The Matrix A 2 3 1 1 1 2 1 By Reducing A To A Triangu 1 (21.76 KiB) Viewed 24 times

Question 1 [20 points] (a) [15 Points] Find the determinant of the matrix A = 2 3 1 1 -1 -2 1 by reducing A to a triangular matrix. (b) [5 Points] Evaluate the determinant det (2A²A-¹).