21. If X, Z are 3 x 3 matrices, det(X) = -3 and det(Z) = -5 what 0 -3 XZ. 1 - is the determinant of 1 а) -15 b) –5 c) -3 d) 5 e) 15

Q: Evaluate the determinant of the matrix. -5 4 -5 -1 3 -1 a) -40 b) 50 C) -50 d) -30 e) 30 Leave blank

A: here option d is true

Q: Use Gauss' method to find the determinant of the matrix B = 0 0 1 0 0 -4 0 -4 8 4 2522 -3 - 2 ONA A…

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Q: If a 4 x 4 matrix A with rows v, V2, V3, and v, has determinant det A = 7, 2v + 6v3 V2 then det 3v +…

A: If a 4×4 matrix A with rows v1,v2,v3 and v4 has determinant det A =7.

Q: 3. Show that (AB)* B' A' by using the matrices A and B giver [8 -2 5] 1 -5] B = 7 0 -3 A =1 -4 3 6.…

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Q: Find the determinant of 7385

A: Expand the given determinant wits respect to the third column. Expand the determinant 03-4-5-8305-6…

Q: 5. Compute the determinant of 27 10 -27 35 3 -8 11 A = 14 -14 -5 -18 - -3 4 Does the inverse matrix…

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Q: Perform one step of row reduction, in order to calculate the values for x and y by back…

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Q: Let A be a 4 × 4 matrix with det(A) = 2. Which of the matrices 2A, -2A and A² will have a…

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Q: O True

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Q: Use the facts that det (E2E₁E0A) = 1 and • Eo is a replace matrix (9A4,: + A6,: → A6,:) E₁ is a…

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Q: II. Find the determinant of the following matrices by row reduction: [1 1 1 11 a 1 1 11 1 3 3 3 3 1…

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Q: 7) Find the determinant of the following matrices: -51 6. 1 5 b) 8 2 8. -31 -3 7

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Q: Consider the following matrices 1 1 -2 [ 1 | A В - 4 -3 1 -3 1 4 -3 1 2 -3 2 -3 4 Determins which of…

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Q: Question 9 Find the determinant of 5 -7 2 3 0 -4 -5 -8 3 5 0 -6 A) 10 B) -20 -10 D) 20

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Q: Use determinants to find x, y, and z in t

A: GIven,                 x+y+2z-6=03x+2y+4z-9=02x+3y-6z-3=0

Q: 1 - 2 2 4 C = 3 4 – 2 -2 –2 3 3.

A:

Q: B. Using MODULO OPERATOR, where k = 7 6. Rene Descartes 7. Mathematics in the Modern World 8. Rise…

A: To encrypt: The given messages by shift cipher using Modulo Operator, where k=7. (6.) Rene Descartes…

Q: 7 A = 0 2 -5 l-9 3 -8 39. Determine the determinant of the matrix A. a. 106 b. 530 c. 265 d. 670 40.…

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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: Find the determinant using Gaussian Elimination Methoc 5w + 6x - 5y + 11z = 7 10w + 36x + 10y – 17z…

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Q: Show your work!

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Q: ) Compute the determinant of A = 83100

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Q: 1 -2 3 1 5 -9 3 Calculate the determinant using expansion by the second row: -1 2 -6 -2 8 1 6

A: Let A=abc  def  ghi , then the determinant, |A|=aei-fh-bdi-fg+cdh-eg .

Q: Q1/ If 1 4 -3' -3 8Y 2 -3 -6,B = 1 1 and C = 2 11 -2 6. -3 are three matrices find |D"| where D = A?…

A: The given matrices are: A=1042-3-6902 ;       B=30-30111-26    and     C=0-38021-301

Q: 2x + 3y + 3z = 2 4x – 3y – 6z = 2 10x – 6y + 3z = 0 The determinant of the matrix is

A: We need to find the determinant of coefficient matrix. We will use Cramer'r rule to solve the…

Q: If the determinant of the 2x2 matrix 5   a 8   b is 7, then what is the determinant of the 2x2…

A: TO find the determinant of the matrix  B.

Q: 5 -1 a) A = 3 4 -2 b) В — [ 7 4 11 2 c) C' = 6 1

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Q: [1 3 B = 2 1 5 0 A = 0 -5 4 and 3 8 QA + B'.

A: