Q=matrix(QQ,4,3, [−7,−22,−4,12,137,−13,-18,-213,21,15,115,−5]) print(Q) print() print(Q.rref())

Q: calculate the matrix cofactor using sign convetion  + - + - - + - + + - + - - + - +

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Q: Given the matrix: 1 10 A = ^-(2) 3 17 Evaluate the following expression: (4² +4A +91) =

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Q: Compute each matrix expression and show your work, if 2 1 - -1 2-2 A= 0 3 1 B = 30 5 -42 0 4 1 3. -…

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Q: 1 0 0 0 0 1 2 -6 2 -8 10 1 0 1 0 3 -2 -5 -16 |

A: We have to multiply: 1000012-60010003-22-8-5-16

Q: Explain Equality of matrices. Give a suitable example.

A: Equality of matrices:Two matrices are equal if all three conditions given below are satisfied: ·…

Q: Explain why v = ( 1, 0, -1) cannot be a row of A and also in the nullspace.

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Q: Why did you write the number of columns of A as 3 when the matrix has only 2 columns

A: Let given matrix is Using RANK-NULLITY theorem, we haveRANK(A)+NULLITY (A)=number of columns in…

Q: 4, 4, -7 -5 Compute 2(2A - 3B) if matrix A = and matrix B = %3D 3 - 4 2. 2(2A - 3B) = (Simplify your…

A: Multiply A by 2A=433-42A=2433-42A=866-8Multiply B by -3B=-7-52-4-3B=-3-7-52-4-3B=2115-612

Q: Consider the relation on A = {a, b, c, d, e} given by R={(a,b),(b,c), (b,d),(b,e),(d,

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Q: Use the

A: we have; 3x1-2x2+4x3=213x1+4x2-2x3=92x1-x2-x3=10

Q: 2 -3 -2 2 -4 4 10 2

A: Number of columns in first matrix are 3 and number of rows in second matrix is 1. So, matrix…