3. Find the following determinants by row reduction to echelon forms. a) A = 3 0 L-2 -2 6-91 0-2 1 5 1 -2 b) A = 0 0 0 3 1 5 -7 0 -4 2 0 1 0 0 2 1 0 0 1 2111 W

Q: Evaluate this determinant by cofactors of row 1: 4 4 4 4 1 2 0 1 2012 1 1 0 2 Check by subtracting…

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Q: 1. Use Gauss Elimination to solve the determinants for the following: 2x, + x2 - x3 = 1 5x1 + 2x2 +…

A: 1.  The given equations are, Converting given equations into matrix form

Q: If A = 6. B= [-3 , 2] and C = what is the %3D 3 -2 determinant of (AB – 2C)" ? |

A: Given that  The matrices  To find the (AB-2C)^T

Q: Question 9. Solve ans show work. thanks

A: Hey! Done below. Please ask for further clarifications.Explanation:Step 1:Step 2: Step 3: Step 4:

Q: A = 060 4 1 2 20 04

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Q: Find the determinant of the following matrix: 1 20-7 -10 4 2 6 530 2 -5 21 3

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Q: Solve for the determinant of the following matrix: 392 -2 8 5 02000 1-6 0-3 3 4 02 -8 5 00 3 1

A: Determinant of upper triangular matrix is product of the diagonal entries of the matrix. So here we…

Q: Consider the following system 3x1+2x2 +3 x12x2 + 3x3 2x1 + x2 - 3 - 9 2x3 = -3 Find the determinant…

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Q: 3 1 et 15

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Q: Find the value of each of the following determinants: b)*| 0 1 -1 0 -2 -1 -3 -2 2 3 1 2 3 -3

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Q: |2–1 -1 -1 2-1 -1 -1 2-1 nxn

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Q: label all steps. Evaluate the following determinant by using row-operations. Carefully A = 0 -2 -3 2…

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Q: 2 0 -4 6| 4 1 0 2 6 -1 -3 8 9 1

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Q: Calculate the 3×3 determinant. 1 0 1 -4 0 4 1 3 3 -1

A: Given determinant

Q: 2. Find the determinant for (1 3 b) B =-5 2 1 -8 - 2 0 3 4) a) A = -1 -3 1 (-5 2 1 4.

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Q: Evaluate the following determinants by inspection:

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Q: 1. Find the determinant for -6 4 1 -3" a) E = b) F =| -5 2 -2 5

A: (a) Given matrix is E=−64−52 We have to find the determinant of E=−64−52 detE=−62−−54=−12+20=8…

Q: 3. Solve the following system of equations by use of Determinants. (Put in proper form first!) 5y +…

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Q: If the determinant of the 2x2 matrix 3 a 2 b is 7, then what is the determinant of the 2x2 matrix a…

A: To find the determinant of matrix.

Q: Use diagonal method to evaluate the determinant of the matrix then solve for the value of the…

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Q: 1 2 31 -1 1. -2 1 2 -1 -3 -2 -3 0- 8 9. 2 41 \-1 6 -1 3 3 4 0 0 1 -2 | 2.

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Q: Find the value of the following determinant 1 2 1 -2 O 1 0 -2 0 0 2 7 0 -1 0 3

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Q: 1. Evaluate the required determinant using the following techniques and show your step-by-step…

A: Given: Use the following strategies to evaluate the required determinant and show your step-by-step…

Q: 1+a² – & 2ab 2ab -26 - 1- a² + b = (1+a² +&)* 2a 26 -2a 1- a – 6

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Q: Consider the following system 321 + 2z2 + I3 = 3 T1- 2z2 +3zz = 9 221 + 22-2zs =-3 %3D %3D Find the…

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Q: Find the value of each of the following determinants

A: The given matrix is 8924-76-1334001-200. Compute the determinant by using 3rd row as follows.