Assume A and B are invertible n-by-n matrices. Which of the following identities is false? O det AT = det A O det A = 1/ det A O det 2A = 2 det A O det (AB) = det (BA)

Q: Find the transpose of the Attached matrices

A: Transpose of a matrix is obtained by interchanging the rows into columns and columns into rows.

Q: Select all statements below which are true for all invertible n x n matrices A and B DA. (A+ A-1)6 =…

A: A) Apply binomial theorem for LHS.…

Q: Show AB + BA for the indicated matrices. A= 2 3] B = -1

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Q: cofactor of az12 from A x B

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Q: 1 2 Let (A – 21)-1=| 3 4 where / is the identity matrix,then A = Select one: а. 0 3 7 3 2 2 b. 1 3 3…

A: A-2I-1=1234 Taking Inverse both sides, we get…

Q: 2. Cadj A. 1 2 В. -2 C. -2 D.

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Q: = [2 1 3 -1 -1 -1 2

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Q: Let D and H be the following matrices. 9. D = 1 -3 -1 H = -3 Find the indicated quantity. D - H

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Q: An identity matrix is represented by... О а. Нн-1 O b. H-1H О с. Нн-1н

A: If we multiply a matrix by its inverse we get the identity matrix.

Q: Use the following matrices to find the sum and product of A and B. [: 3 1 0 -2 0 1 A = 2 -5 4 B = 4…

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Q: Which of the following matrices are skew-symmetric?

A: Given: A=0-110 Concept Used: A matrix is skew symmetric matrix if AT=-A