3. Let Z= (3 a 2 x 2 matrix over Zs. Find the characteristic polynomial of...
Q1. Let A = be a 2 x 2 matrix. 30 (a) Find the characteristic polynomial of the matrix A. (5 pts) (b) Find all eigenvalues and associated eigenvectors of the matrix A. (10 pts) (c) If is an eigenvalue of A, what do you think it would be the eigenvalue of the matrix 7A?(Justify your answer) (5 pts)
3 For each of the matrices below: (i) Find the characteristic polynomial (ii) Determine the eigenvalues (ii Find a basis for each eigenspace (iv) Find the algebraic and geometric multiplicities of the eigenvalues (v) Determine if the matrix is diagonalizable, and if it is, diagonalize it. -2 3 (a) A -3 2 3 For each of the matrices below: (i) Find the characteristic polynomial (ii) Determine the eigenvalues (ii Find a basis for each eigenspace (iv) Find the algebraic and...
Problem 2. (a) Let A be a 4 x 4 matrix with characteristic polynomial p(t) = +-12+} Find the trace and determinant of A. 2 e: tr(4) and det(A) = 0 12: tr(A) = 0 and det(A) 2 3 2 T: tr(A) = 0 and det(A) 3 : None of the other answers 01 OW
3. Let A be the matrix 1 -2 (a) What is the characteristic polynomial for A? (b) What are the eigenvalues of A? (c) What are the eigenvectors of A?
Q3. Find the characteristic polynomial and the eigenvalues of the matrix. Find the characteristic polynomial and the eigenvalues of the matrix. -6 7 -7 3 The characteristic polynomial is (Type an expression usingA as the variable. Type an exact answer, using radicals as needed.)
Find a 2 x 2 matrix A with integer entries where the characteristic polynomial |A - XI is 12 + 72 + 3 A=
Algebra 2 -1 - Let A 1 2 -1 -1 -1 2 The characteristic polynomial of A is X(A - 3)2. (a) Find the eigenspaces of A and verify that the dimension of each eigenspace is equal to the multiplicity of the corresponding eigen value (b) Write down a matrix P that orthogonally diagonalises A You must show all your working Algebra 2 -1 - Let A 1 2 -1 -1 -1 2 The characteristic polynomial of A is X(A...
5. Consider the matrix A-1-6-7-3 Hint: The characteristic polynomial of A is p(λ ) =-(-2)0+ 1)2. (a) Find the eigenvalues of A and bases for the corresponding eigenspaces. (b) Determine the geometric and algebraic multiplicities of each eigenvalue and whether A is diagonalizable or not. If it is, give a diagonal matrix D and an invertible matrix S such that A-SDS-1. If it's not, say why not.
Find the characteristic polynomial of the matrix, using either a cofactor expansion or the special formula for 3 x 3 determinants. [Note: Finding the characteristic polynomial of a 3 x 3 matrix is not easy to do with just row operations, because the variable is involved.] 4 0 | 4 8 1 -2 2 0 -3 The characteristic polynomial is (Type an expression using , as the variable.) Find the characteristic polynomial of the matrix, using either a cofactor expansion...
Find the characteristic polynomial and the eigenvalues of the matrix. 8 7 -7 - 6 Find the characteristic polynomial of the matrix, using either a cofactor expansion or the special formula for 3 x 3 determinants. [Note: Finding the characteristic polynomial of a 3 x 3 matrix is not easy to do with just row operations, because the variable A is involved.] 500 -7 3 8 - 5 0 4