(a) A is a 4 X4 matrix and 5(A + 1) = 1. Enter det (A...

Question

Question

(a) A is a 4 X4 matrix and 5(A + 1) = 1. Enter det (A + 1). (b) A is a 3 x3 matrix and -A +61 = 0. Enter det (A + 1). (c) A i

math algebra

Answer 1

Answer #1

(a) A i a 4x4 matrix and 5(A+T) =I. det (5(A+I)) det (1) or, 5det (A+1) = 1 det (A+I) 625 5 1 det (A I) 625 A s a 3x 3 matri

Answer 2

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