For matrix A = 15 A. 12 c. (15 -203) 20 4). 3 4 if f(x) = x²-2X, what is the answer to f(A)? 15 B. (112 -230) -15 20 D. 12 23 12 23

Q: 3: For the matrices, A = [1 and B = 01 -31 (a). Show that, (A+ B)" AT +B". (b), Show that, (AB)-1 =…

A: Show that  a) (A+B)T= AT +BT  b) (AB)-1= B-1A-1  For the matrix A and B .

Q: Multiply matrix [1 2 3] by [5 4 2 030

A:

Q: 2. Assume that all the operations are properly defined, solve the following equation for the unknown…

A: NOTE: Refresh your page if you can't see any equations. .

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: Perform the following operation: 1- -5 4 3] a +a 3 1 4 -a ||

A: Given that we have to the find the product of given matrix

Q: 1 3 4 A = 41 2 3 4 5 Answer each of the following questions and enter each of your answers as a…

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,…

A:

Q: Ifv = [ -2, 4], compute and draw 2v, 1/2 v, and -2v.

A:

Q: B- Find the matrix A :- 3. A + -5 4 1. -1 3.

A:

Q: Which of the entries in the matrix 2 1-7 A B 4 -3 Ⓒ ₁ - 6 ܣ -6 -3 4 | has -37 as its cofactor? 9 5

A:

Q: 2 -3 For matrix A = -2A? will be %3D -1 4

A: See the attachment.

Q: Find matrix X:   3.     6     5     4     -2   *X=     18     49     -20     6

A: The detailed solution is given below Thank you

Q: use the following matrix                    D=   [5  3]         D=  [4   6]  write the negative…

A:

Q: -1 – 7 -3 (a) Let A = 15 6 Find the second column of A-1 without com- 1 3 puting the other columns.

A: Given,A=-1-7-32156132

Q: 10) Find the transpose of the resulting matrix: AE 4 x 5 -100 3 5 A = 2 2 a. -|-7 26 29 26 C. - 29 7…

A:

Q: Q8: Given that -2 X = 1 8 -8 -9 -9,Z -7 7 -2. -8 5 what is the matrix 3X + Y – 3Z?

A:

Q: -14 2k -81 9. Find the values of the variables 3f %3D 3 -3 3 10. Find the zeros of the polynomial r3…

A:

Q: 4 x x -4 3.) Solve for x: %3D 2 7 6. X -2

A: Explanation of the answer is as follows

Q: If A = 3j + 2k, B = 2i – 2j – 2k then Ax B

A: Use cross product of vector

Q: An A12 [ A21 A22. A22 = [-7 7]. Fill in the block matrix. -9 -5 where A11 A12 9 , A21 = [3], and -4…

A:

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: 4 1 3 4 5 Let A = 1 - 5 %3D -1 1 2 –5 -2 Compute: 6A + B

A:

Q: which part is A(1) and which is A(2)?

A: Solution-: We have given x¯=64.2,n=46,s=27.9 Here, σ- is unknown so we use t-test We want to find…