Linear Algebra AF 3.1 #9
Posted: Thu Jun 30, 2022 7:40 pm
Linear Algebra AF 3.1 #9
Homework: Section 3.1 -4 - 1 -3 -2 3-1 -3 -2 3 The expansion of a 3x3 determinant can be remembered by this device. Write a second copy of the first two columns to the right of the matrix, and compute the determinant by multiplying entries on six diagonals. Add the downward diagonal products and subtract the upward products. Use this method to compute the following determinant. -4 -1 -2 Question 9, 3.1.17 > 3-131 HW Score: 44.44%, 4 of 9 points O Points: 0 of 1 C Save a11 12 13 11 12 a21 322 323 à21 22 231 232 233 231 232
Homework: Section 3.1 -4 - 1 -3 -2 3-1 -3 -2 3 The expansion of a 3x3 determinant can be remembered by this device. Write a second copy of the first two columns to the right of the matrix, and compute the determinant by multiplying entries on six diagonals. Add the downward diagonal products and subtract the upward products. Use this method to compute the following determinant. -4 -1 -2 Question 9, 3.1.17 > 3-131 HW Score: 44.44%, 4 of 9 points O Points: 0 of 1 C Save a11 12 13 11 12 a21 322 323 à21 22 231 232 233 231 232