Let A and B be 3x3 matrices, with det A = - 7 and det B = 7. Use properties of determinants to complete parts (a) through (e) below. a. Compute det AB. det AB = - 49 (Type an integer or a fraction.) b. Compute det 5A. det 5A = 175 (Type an integer or a fraction.)

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A: As we know that applying row(column) operation value of determinants will not changed.

Q: If the determinant of a 5 x 5 matrix A is det (A) = 8, and the matrix B is obtained from A by…

A: I am attaching image so that you understand each and every step.

Q: If A is a 3rd order matrix with a determinant of 5, then det((2A)^-1)=?

A: Using, Determinant formula

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A: To find the determinant of matrix A

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A:

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A:

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Q: 3. Find the ranks of the following matrices using determinants: -1 0 1 2 1 2 3 4 -1 2 1 1 1 3 0 -1 2…

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Q: Compute the determinant of the following matrix 1 а а? 1 b 2 1 c a A =

A: Solution :-

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A:

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Q: If a 4 x 4 matrix A with rows v1, v2, V3, and v4 has determinant det A = 4, %3D 4v1 + 5v2 7v1 + 9v2…

A: See the detailed solution below.

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A:

Q: A, B,C are 3 x 3 matrices with det(A) = -5, det(B) = 2, det(C) = 10. choose the option which is…

A: In the given question determinant of three matrices are given as follows. det(A)=-5 ;det(B)=2…

Q: If X,Y, Z are 3 x 3 matrices, det(X) det(Z) = -15 then what is the determinant X²ytrz-!? 3, det(Y) =…

A:

Q: Given the following matrices, find the determinant using МЕТНOD OF СOFАСTORS. -2 3 -1 A = -5 4 B = |…

A: Formula: Let A be n×n matrix with entries aij. For any i=1, 2, …, n the determinant of a matrix A is…

Q: Let A be a 3 x 3 matrix with determinant equal to 2. 2 -4 If the adjoint of A is equal to 12 -4 8…

A: To find out the A-1.

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A: This is a Linear Algebra problem.

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A:

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A:

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A: We know det(A.B) = det (A).det (B)

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A:

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A: Given that:                          det(A)=2det(B)=3det(C)=4Let D=2ABC-1B-1

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A:

Q: 6. Suppose that A and B are 5 x 5 matrices such that det A det B = 5. Find the following…

A:

Q: 1 3 1 -1 -7 1 -2 0 1 5 3 1 2.

A: solution  given below

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A: As per our guidelines I am solving only first question please resubmit other question.  To find true…

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A:

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A: We will use the following formula : (1) det(AB) = det(A) det(B) (2) det(Atr) = det(A)   The answer…

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A:

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A: Find the determinant of the matrix, if it exists.

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A:

Q: ) If the determinant of a 4 x 4 matrix A is det(A) = 10, and the matrix B is obtained from A by…

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.