If A, B are 3 x 3 matrices such that det(AB)-1)= and 20 det(adj(A)) = 25. Then det (3AT. (B)-1) a. None 25 O b. 108 5. O c. 108 135

Q: Find the following matrices where A = a. A+B b. A-B 47 c. - 5A and B 39 d. 2A + 3B

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Q: [11-12 4 2. Let A 14 6 [12 107 10 12 B= -5 12 be two matrices. Find AB. -2 9 15 16 2.

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Q: Find the inverses of the matrices or show that they do not exist. -5 -3 1 -2 A B= = 1 6 = 2 -3

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Q: x- y+10z = 29 x+ y+2=6

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Q: -5 and B = 1 -4 -4 1 If A = find 4 -3 -2 A · B, if possible. Select the correct answer below: -24 10…

A: Given  A=1-5-31 and B=-4-4-24

Q: 5. If detA=2,detB=3 and detC=-1, what is the value of det (2A)+det(ABC), assuming ABC exists, and…

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Q: |18 3 12 [-10 7 -10 | A : 12 -12 B 8 11 4 6 18 -9 -11 12 -5

A: matrix addition k[A]+B= [kA +B ]

Q: 121 A= 4 4 5 677 B = -7-76 21-1 45-4 Are these matrices imerses of each other?

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Q: A, B, C are 3 x 3 matrices with det(A) = -3, det(B) = -2, det(C) = 6. What is det(A² BC-1)?

A: Given A, B and C are 3×3 matrices. and A=-3,B=-2,C=6 Find the determinant of A2BC-1.

Q: Suppose that we have 7 matrices: A a 2*3 matrix, B a 3*2 matrix, C a 2*2 matrix, D a 4*3 matrix, E a…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: compute the indicated matrices A + 2D

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Q: Given that -1 2 -2 1 0 -2 A= 1 and C= -3 2 1 1 -1 3

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Q: 4 -1 If A = 3 3 and B = -3 find 1 -1 -2 A ·B, if possible.

A: For the multiplication , the number of column of first matrix must equal to the number of row of…

Q: 3 2 . B = 3 and C =-1 For the Matrices A= 1 4 Find: (AT.B)+ 2 C

A: Given that, We have to find, Then we get, AT=1-32140…

Q: Which of the following matrices are in RREF? (: ) (1 10 7 0 1 9 0 0 1 1 14 1 1 - 1 0 0 5 1 1 10

A: Solution

Q: 2. Given matrices A and B below, evaluate tr(AAT - 3B) [1 0 -2 2 A = 0 5 [1 1 4 0 B = 0 1 1 -6 3

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Q: -3 For the matrices A and B, verify that A.B=B.A, where A=[53] and B= 4 4 -51

A: Given :A=5443   and B=-344-5

Q: Use the fact that matrices A and B are row-equivalent. 1 2 1 5 1 2 A = 3 1 7 2 2 -2 11 25 8 -1 8 1 0…

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Q: Compute eA for each of the following matrices:

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Q: compute the indicated matrices D +BC

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Q: Given the matrices A and B, determine the quantity 2A - B. A = and B - 1 1 (244) 1 1 (² (2₂ 3 -3 3 4…

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Q: Let B and F be the following matrices. 7 -10 -3 6 -5 4 B= - 10 8 4 -1 -1 6 7 -3 F = -2 -10 -9 6 7 10…

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Q: 2. Compute both AB and BA for the following matrices, and observe that AB + BA: -1 [] B= B-[83] and

A: To compute AB and BA for the following matrices, and to observe that .

Q: compute the indicated matrices B -C

A: To compute the indicated matrices B – C Given information:

Q: Find A-E and the elements from the matrices

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Q: Some entries of a 3x3 matrix A and its are given as follows; 2 3 -4 A = and adj(A) = a 3.

A: Introduction: The numbers or functions are referred to as the matrix's elements or entries. A matrix…

Q: compute the indicated matrices 3D - 2A

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Q: - 4 8 3 2 Find the following matrices where A = 8 and B = 6 - 5 9 - 1 - 9 - 1 а. А + В b. А - В с. -…

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Q: 5. ( 4 0 -2) D= -2 1 -2 5 A= B = (-1 4 3) 3 3 (1 -' H= (3 3 2 E= 5 0 -1 4 -1 G= -2 5 F = (3 -2)…

A: Given-  A = 51          B = -143         C = -2532        D = 40-2-211134E = 33250-1      F = 3-2…

Q: Q2. Find the inverse of each of the following matrices a) A = [3³] [1 4 11 b) A = 2 8 3 12 7 4

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Q: Let C AB and D = BA for the following matrices A and B. 3 -5 2 -3 6. 3 and B = 0-2. 0 1 6. Determine…

A: Here given matrix as A=03-526310-2, B=-12-3572016 Thus…

Q: 11 4 -1 0 1 -1 2 4 5 6 3 4 0 -4 3 6 3 -7 5 1 -1 6 7 3 -3 -1 -5 2

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