Use the fact that cA| = |A to evaluate the determinant of the nxn matrix. A=...

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Question

Use the fact that cA| = |A to evaluate the determinant of the nxn matrix. A= - [1 12 15 3 -9 STEP 1: Factor out the greatest

math algebra

Answer 1

Answer #1

Given 242 matoria 15 12 3 ㄴ 5 2 STEPG 124) ASD 1 2 15 3 ~9 130) 433) 2 5 (3) 4 J - 3 5 = 4 ) 3 STEPG =9 ㄴ 4 (-3) - 1X] 더25) -

Answer 2

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