7. Use matrices to stretch the vector horizontally by a factor of 3.

Q: Problem 2. a b C def ghi and assume that det(A)-2. Find det(-2A), det(A-¹), det((2A)), det(3(A7)-¹),…

A:

Q: If A and B are orthogonal n by n matrices, then AB is also orthogonal. True or False? Give an…

A:

Q: to B=101 t00 select all true •If AB =Ithen BA=I AB=I 'AB=I but nut BA=I "BA-I inone of these %3D

A:

Q: а Given: A = ; B = а If: |A| = 4 and |B| = 1; find: a? + b².

A: The given matrices are: A=1a2b,B=1b2a Given that, A=4,B=1

Q: 1 1 3 Find the inverse of -2 2 1 using the matrix of cofactors. 1 1

A: To find the inverse of the given matrix

Q: 2 A= 2 -5 what is (BA")"?

A:

Q: 4. Perform the indicated operations. -2 1] a) [1 -4] 0 1 5 1 b)| 0 4 13 4

A: We have to perform

Q: c) In order to produce 10 litres of gasoline, the company X required to solve the following system…

A: The above system of equation can be represented in the form of matrix Aw=b where…

Q: For the given vectors u and v , find the value of ū ·i and normalize 1. u = (2,7,-1,20), v =…

A: Dot product and addition of two vectors is given by u→.v→=u1,u2,u3,u4.v1,v2,v3,v4=u1×v1, u2×v2,…

Q: What is the Use for transformations of a matrix?

A: To explain the transformation of matrix

Q: QUESTIONS 1 2 A = [; and B = 41 -4|. Find 2AT – 3B. 3 L7 [-1 8.

A: Solution

Q: Let f and g be the linear transformations represented by the matrices (2 and 3 respectively. What is…

A:

Q: 3 0 -6 ド:3 1 C = 4 2 A = B = %3D %3D 3 1 5 152 D = -1 0 1 6 1 3 1 2 4 1 3 E = -1 | 3 2 4 Compute the…

A: Given matrices are: A=30-12110, , B=4-102, C=142315 D=152-101324, E=613-112413 Now DT=1-13502214,…

Q: Given A and b in Exercises 11 and 12, write the augmented matrix for the linear system that…

A:

Q: c) Find the eigenvalues for the given matrices. Hence, find the eigenvectors for each eigenvalue. [1…

A: As you ask too many question ,I only solved first one.

Q: A real matrix A is called normal if AAT = A" A. 1 Find all real values of x such that the matrix A =…

A: If two matrices are equal, each of entries will be equal to each other. If a matrix of order (m×n)…

Q: 5. Choose which of the following are the values of x, y, and z. x + 2y +3z = -5 3x + y - 3z = 4 -3x…

A:

Q: 0 -5 -17 D'E" 5. - 10FG" given D = 1 3 1 that 3 E = -2 0 2 2 4 -2 1 [4 07 2 -2 3 II

A: We will solve the problem.

Q: 1 1 3 2 1. Let B 3 1 3 4 2 2 -1 4 -3 1 Solve the determinant using a. Chios Method b. Expansion of…

A: (b) Expansion of Column 2

Q: The system of equations is given by: ax + by = --19 cx + dy = 0 5 19 a 19 is 2 19 If the inverse of…

A:

Q: Matrix Vector Multiplication (Pointwise)

A: Let  a→=a1+a2b→=b1+b2c→=c1+c2d→=d1+d2e→=e1+e2f→=f1+f2  be vectors.

Q: Harith, Hakim and Hammam went to DAISO to purchase supplies for making decorations for the upcoming…

A: To Find: Determine the unit cost of each item.

Q: c) 9 5A 1 5 -4 -4A -4 -4 = 0 20 -201 1 -20 -3 402 25 40 O True O False d) If the eigenvalues of a 3…

A:

Q: Find the inverse of the matrix A using Gauss-Jordan elimination. [7 12 10 A =8 11 13 4 14 9

A: Given: A=71210811134149

Q: Consider the following matrices 12 0.09 0.01 0.04 r = 14,w= 5, V = 0.01 0.16 0.10 20 0.04 0.10 0.64…

A: