4. If A, B |AB|= are 3×3 square matrices, and 4|=1, 2B|=16 2B=16 then

Q: b. -2x+y+6z=18 5x+8 z=-16 3x+2y=10z-3 Write the entries in the inverse matrix as fractions.

A:

Q: If matrix A is 12 xc and matrix K is 4 x t, their product AK is r x 7, what are the values of c, t,…

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Q: 4x+5y+4z = 8 3x+3y+ z =-9 5x+5y+2z = -1 Write the augmented matrix:

A: For a system of equations is a matrix of numbers in which each row represents the constants from one…

Q: Describe all 2 by 3 matrices A1 and A2 , with row echelon forms R1 and R2 , such that R1 + R2 is the…

A: Given: 2×3 matrices A1 and A2 with row echelon form R1 and R2.We need to show that R1+R2 is the row…

Q: Suppose that  |A| + |B| = |A + B| , find a 2x2 matrix for A and B

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Q: -4 -2 (1 point) If A = 1 2 - 3 and B -2 1 4 then -4 1 4 -3 -4 4 AB = and ВА — Choose v True or…

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Q: For square matrices A and B, which of the matrices below are equal to AB? II. (AªB"} I. a. I only b.…

A: Solution

Q: Let A and B be 2 × 2 matrices. The equation (A – B)(A+B) = A² – B² is correct. (A True B False

A:

Q: If A and B are nxn matrices .Find the cost of calculating A? + BAB.

A: Given A and B are n×n matrices.  To find the cost of A2 + BAB

Q: Which of the following matrices are guaranteed to equal (A - B)2 : A2 - B2 , (B - A)2 , A2 - 2AB +…

A:

Q: Determine 3B  if the matrix is    1        5                                                   -4…

A: the matrix B is 15-48 we have to find the value of 3B.   as we know that if we have a matrix A as…

Q: If A and B are nXn matrices, then (A-B) =A-2AB+B Select one:

A: A-B2=A-BA-B=A2-AB-BA+B2

Q: If A and B are square matrices of the same size, is (A + B)2 = A2 + 2AB + B2?

A: In matrices, the commutative properties are not valid. That is order of the matrices multiplication…

Q: Find a matrix X = R2x2 for which −3 X¹⁹ - -24 12² -36).

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Q: Formula valid for matrices? explain why? (A + B)(A - B) = A²B²

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Q: Find the matrix A if 4 1 A -1 3 2 3 1 4

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Q: What must be the matrix X, if 2 2X + 3 4 3 8 7 2

A: we have to find the matrix X if 2X+1234=3872

Q: erations are required to form the product AB? Please explain clearly.

A: Solution is attached below.

Q: Write an augmented matrix for the follo 6x - 5y +z = -9 8x - 7y +z = 7 9y-2z = - 2 %3D %3D

A: