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Problem 12. (6 points) Determine all values of k for which the following matrix is invertible....
Find all the values of k for which the following matrix is invertible [k-1 k-1 0 k2 2 k 0 k-1 k-1
4. (3 points) Find all values of x so that the following matrix is invertible: 2 2 0 1 2 3 0 2 -C 1 0 3 0 A= 0 0 0 0 2-3
1. Determine which of the following matrices are invertible. Use the Invertible Matrix Theorem (or other theorems) to justify why each matrix is invertible or not. Try to do as few computations as possible. (2) | 5 77 (a) 1-3 -6] [ 3 0 0 1 (c) -3 -4 0 | 8 5 -3 [ 30-37 (e) 2 0 4 [107] F-5 1 47 (d) 0 0 0 [1 4 9] ſi -3 -67 (d) 0 4 3 1-3 6...
ſi 0 0] 1. Determine for what values of k e R the matrix is invertible A = -1 1 k . 0 1 4k
For the following problems use: Annx n matrix A is invertible RREF(A) = I rank(A) - n A 2 x 2 matrix A is invertible = det(A) 0 3 singular (non-invertible). For which value(s) of h is A = -2 -1 -4 Choose... Choose... 6 2 h-2 a 0,b 0,c+0,d +0 A = 4 -1 C 0 x-2 or x 4 For which values of x is A = invertible a 0,b 0,c 0,d=0 4 x 2 X#1 and x2...
Question 7 [10 points) Find conditions on k that will make the matrix A invertible. To enter your answer first select 'always', never', or whether should be equal or not equal to specific values, then enter a value or a list of values separated by commas. k 0 2 A-8k-2 4 2-1 A is invertible: Always Always Never Question 8 [10 When k = Express the follow. When katrix A as a product of elementary matrices:
2 invertible? C For which values of c is the matrix 8 O c 4 c =-4 Both of the above, i.e., c +4 Neither of the above, i.e., c +4. Suppose that the following row operations: interchange rows 1 and 3 multiply row 3 by 1/2 add -3 times row 1 to row 2 2 1 7 in this order, transform a matrix A into B = | 0 4-5 L0 0 3 What is the determinant of A?...
9. Find the inverse of the matrix [1 1 k in terms of k Determine all value(s) of k for which the above matrix is not invertible.
Question 12 [10 points] Find an invertible matrix P and a diagonal matrix D such that P-lAP=D. | 9 6 -2 A= -20 -13 4 | -24 -12 3 Tooo oool P= 0 0 0 D = 0 0 0 0 0 0 | 0 0 0 Official Time: 19:51:55 CS Scanned with CamScanner
Determine if each following matrix is invertible. If so, find the inverse matrix. [1 0 1 2 2 3] 12 -1 3 5 -1