5. (10 points) Find the determinant of the given matrix A by using cofactor expansion. Then...

Question

Question

5. (10 points) Find the determinant of the given matrix A by using cofactor expansion. Then find the determinant of A. 1 2 A=

math calculus

Answer 1

Answer #1

( 231 A = 1 -2 -5 1 13 5o. 1A) = 2 (0 - 35) -3 (0-21)+1(-10 +15) = -70 + 6 3 +5 = -2 ICA = CIAL 13 A) = ()*7479 (2) IM YN

Answer 2

Answer #2

answered by: Tom Andy

Answer 3

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