1-3 42 5 4 2 -6 9 8 . find bases 2 6 9-1 9 7 *6. Given A- find bases for nul A and col A -1 3 -4 25 -4 Express your answers in parametric vector form. 16 points
Let A 2 3 4 - 1-6 -20 3 6 -9 5 3 -2 7 Find each of the following bases. Be sure to show work as needed. 1 Find a basis for the null space of A. b. Find a basis for the column space of A. c. Find a basis for the row space of A. d. Is [3 2 -4 3) in the row space of A? Explain your reasoning.
Question 3. (20 pts) Let A= -3 9-27 2 -6 4 8 3 -9 -2 2 Find a basis for Col(A) and a basis for Nul(A). Question 4. (15 pts) Let the matrix A be the same as in Question 3. (1). Find the rank of A. (2). Find the dimensions of Nul(A) and Col(A). (3). How do the dimensions of Nul(A) and Col(A) relate to the number of columns of A?
Question 3. (20 pts) Let A 3 2 3 9 -2 -6 4 8 -9 2 2 Find a basis for Col(A) and a basis for Nul(A).
Let 9 - {(1,3), (-2,-2)) and 8 = {(-12, 0),(-4,4) be bases for R, and let --12:] be the matrix for T. R2 + R2 relative to B. (2) Find the transition matrix P from 8' to B. P. X (b) Use the matrices P and A to find [v]g and [T()le, where Ivo - [1 -4 [va - [T]8 - I (c) Find p-1 and A' (the matrix for T relative to B). p-1- II A- (d) Find (TV)]g...
9. Let f be the following permutation in the symmetric group S9, written in two-line notation. 1 2 3 4 5 6 7 8 9 5 9 4 8 2 6 1 3 7 (a) Determine f3121 and explain why your answer is correct. (b) Determine ord(f) (c) Find a permutation p such that p-f
9. Let f be the following permutation in the symmetric group S9, written in two-line notation. 1 2 3 4 5 6 7 8 9...
2 3 -6 9 0 1 -2 0 3. Let A= 2 -4 7 2 The RREF of A iso 0 1 3 -6 6 -6 0 0 0 (a) (6 points) Find a basis for Col A, the column space of A. 0 (b) (2 points) What is rank A? (c) (6 points) Find a basis for Null A, the null space of A. (d) (2 points) What is the dimension of the null space of A?
11 O-I-1 6 2 3 4. LetA=(1 2 3 4) 5 67 8 15 in Nul)? Explain. a. Is 14 -23 in Nul(A)? Explain. b. Is in Col(A)? Explain. c. Is 10 5. Let A =(2 2 a. Find the characteristic polynomial of A.
[ 5 2 31 8. (9 points) Let M = 3 8 3 . ( 2 0 4] -11 | 3 | a. Show that uj = 0 , 12 = -3 , uz = 6 are eigenvectors of M, and 1 1 1 determine the corresponding eigenvalues. b. Using your answer to part (a) what is det(M)? c. Using your answer to part (a), what is the characteristic polynomial of M? d. Using your answer to part (a), is...
A= 9 2 3 -9 -2 Question 4. (15 pts) Let the matrix A be the same as in Question 3 (1). Find the rank of A. (2). Find the dimensions of Nul(A) and Col(A). (3). How do the dimensions of Nul(A) and Col(A) relate to the number of columns of A?