1. Use matrix inversion to solve for x, y, and z if: x + 2y + 2z = −1 y − x − z = 0 2z + 3y + 3x = 1

Q: find an elementary matrix E that satisfies the given equation EC = D

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Q: [4 5] The inverse of the matrix C = is C- Use this fact to solve the system CX - D, where D- and X…

A: The matrix C=-352-4 and the matrix C-1=-124523. Also the matrix D=50-24. It is given that CX=D.…

Q: 1 Suppose that a 3 x 3 matrix A has det A = 1 and that its cofactor matrix is C = 1 2 |-7 4 2 Find…

A: Formula: Let A be a n×n matrix with non zero determinant then, A-1=1det ACT where C is the cofactor…

Q: If A and B are two n x n invertible matrices, then one of the following is always correct a) (AB)T =…

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Q: find an elementary matrix E that satisfies the given equation EA = B

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Q: 1. (a) Construct a 3 x 3 matrix A such that the solution set of the equation Ax = 0 is the line in…

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Q: 4 2 If A is a non-singular matrix whose inverse is find A. 1 - 2 -1] -1] 1 В. -1 1/2 С. -1/2 1 D. |…

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Q: 9. Solve the matrix equation C-A(X - B) = D for X. Note that A, B,C, D, and X are all n x n…

A: Explanation of the answer is as follows

Q: If C and D are two n x n invertible matrices, then one of the following is always correct a) (DC)¬l…

A: Use property of matrix

Q: Find x and y such that the rank of matrix A is 2. 1 0 a – 1 0 у- 2 г+1 -5 A = 4 x = Ex: 5 Ex: 5 С y…

A: We are using rank nullity theoram  Rank(A) + nulity(A) = number of coloumn in A.

Q: 1. Find the general solution of x =x2 – x1 + t, x, =x2. 1 2 3 2. Explain why we cannot aclculate the…

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Q: 2. The matrix product G o) ( (5 3 is equal to 3 2 5 3 (: ) 3 5

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Q: Let a matrix '2 -2 1 A 2 3 1 1 -2 - 2 2 Show that A"A = I and deduce that AT = A-1.

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Q: in number 1, B is the matrix representation of Z with respect to B only, not B and B'. The formula…

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Q: D M 2P] 3 3. If A =| K [-P R s is a singular matrix then find the value of P.

A: Given a matrix, A=DM2PK3S-PRL. Let, D=1, L=9, P=f, S=1, N=8, K=9, M=3, R=5. Then, A=132f931-f59  To…

Q: Solve for x and y in the matrix equation below: [3 4 y x-y 4 2 [10 3 -1] 4 3 -1] 2 -1 4 x -8 бх -9…

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Q: Consider the following linear equations -3x + 5y + 8z = -6 -3x + (25 – k)y + 7z = -4 -3x + 5y + (10…

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Q: Solve the equation (X – A)B = BC for X, assuming A, B, and C are all invertible (note that A, B, C,…

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Q: 1. Find a condition on a, b, c, d such that the augmented matrix " E b has a unique solution.

A: The condition on a,b,c,d must be a relation between a,b,c,d.

Q: 9. Solve the matrix equation C-A(X B) = D for X. Note that A, B, C, D, and X are all n x n…

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Q: [1 1 1] L3 -2 3 1[k [k 1 1 -2||1 = 14 1

A: Given,           k11·10301-23-21·k11=14To find : The value of k that satisfies the following matrix…

Q: 1) The dimension of the matrix 3 -2 1 0 4 2 1 2 a) O 2 x 2 b) O 4 x 4 c) O 4 x 2 d) O 2 x 4 is

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Q: For which value of x is the following matrix not invertible: 1 1 2x A = 1 2x 2x 2x 2x 2x 4 1 -1 1 2

A: For a matrix A to not be invertible: dat(A) = 0.

Q: 2. Solve for x and y in the matrix equation below: 3 4 y x-y 4 2 1 [10 3 -1] 3 -1 1 4 x -8 2 6x -9…

A: Topic:- Matrix  x=1 and y= -2

Q: 1 If A =| 2 -1 [1 2 3] and B = |1 1 2| find AB 0 1 2 1 Using matrix inversion to solve the set of…

A: Given A=01-12-2-1-111 and B=123112012 We have to find AB.

Q: If A and B are two n x n invertible matrices, then one of the following is always correct a) (AB)" =…

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Q: Show that if C and D are n×n row equivalent matrices, and Cx=0 has a non-trivial solution x !=0,…

A: Given that C and D are row equivalent matrices such that the system Cx=0 has a non trivial solution…

Q: If the dimension of matrix A is mxn, and matrix B is nx p, then AB is? (А) mxp B pxn c) nxm D) рхр

A: If the dimension of matrix A is M×N And matrix B is N×P

Q: [1 A 2 1 0 and b : 3 2 3 Jse Gauss-Jordan elimination to compute the inverse of the matrix

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Q: If you multiply this elementary matrix: [1 0 0 0] 0 1 0 0 0 0 1 0 E 0 0 0 2 by A to form EA, it has…

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Q: 3. Show that for any n x n matrix A of rank r, we have ||4|| < ||4||ES VFl|4||.

A: To show that: A≤AF≤ rA  for any n×n matrix A of rank r.

Q: of the following Is the fundamental solution matrix for the coefficient i ? 1

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Q: With x and y as in your answer to question 3, the matrix

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Q: [1 Find a matrix A = -4 -51 = l3. y] 1 z such that A² 10 %3D Lo 1. Lo

A: Given A=1xy01z001 A2-0-4-50010000=I3 To find Matrix A:

Q: find an elementary matrix E that satisfies the given equation ED = C

A: Let the given matrices are, Give that ED=C

Q: 1 3 2 6. 4 7. Find AB + AC, if A = [5 6, B = -- and C = 2 3 - 3 5 2 5 4 1 40 А. 48 D. 7 B. [48 7 51]…

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Q: 1. Use the Gaussian elimination to find the values of c, C2, C3, C4 in the following matrix…

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Q: Given C and D are matrixes, and their products CD and DC exist, what can we tell about their…

A: Matrix multiplication is the process of multiplying two matrices using dot product. Dimension of a…

Q: •(b) A = B:

A: Given,        A=-1201,   B=1-201

Q: 4 2 If A is a non-singular matrix whose inverse is 1 1 find A. - 2 -1 1 D. -1 1/2 1 В. С. -1/2 2 А.…

A: Goal is to find inverse of matrix 4211

Q: 2] find 1 -1 3 - If A = and B 1 |3| -2 (а) ЗА — В. - (b) The matrix X such that 3A – B+ 3X = 0. ||…

A: As per guideline we have to solve only three parts

Q: [1 Let A = 2 and V = |1]. What is the sum of the entries of the B = %3D 14 5 1 matrix VT (AT — (А -…

A: We have to find sum of entries of given expression.

Q: If 4 [a] is a 3x3 matrix, such that ay i (2m-j) then the diagonal elements are

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Q: 3 -1 0 2 4 N O

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Q: 2. Write the quadratic function f(x,,y;)=-3x; +2x,x, – 3x; – 4x, – 4x, +6 in matrix form as f(x) =…

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Q: [1 0 2 31 l4 5 B = 6 ol,c = l6 ál, and V = |1|. What is the sum of the entries of the Lo. matrix VT…

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Q: Solve the following equation for matrix X. ]x=[: ! ?]+[ 0 1 1 0 0 1 0 0 0 2 3 1 1 0 2 3 1 2 1 2

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Q: Let A, B, C be n × n matrices and assume that A is invertible. Solve the equation A(B + X) = C for…

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Q: 4. Suppose that a, b, c, d, x, y, z are real numbers, and consider the matrix 0 0 0 d 0 0 c 0 b y 0…

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Q: [*:* а + 2 а (10) Find all a E R for which the matrix is singular. 1 а

A: Remark: A square matrix A of n is said to be singular if and only if det(A) = 0. i.e., Its…