MATH 54 QUIZ 6-
1. Is λ = 1 an eigenvalue of
? If so, find one corresponding eigenvector.
2. Find a basis for the eigenspace corresponding to each listed eigenvalue: A =
, λ = 3, 7.
3. Find the characteristic polynomial of the following matrix.
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4. Diagonablize the following matrix, if possible. It has eigenvalues λ = 2, 3.
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5. Let B = {b1, b2, b3} be a basis for a vector space V and let T: V → R2 be a linear transformation with the property that
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Find the matrix for T relative to B and the standard basis for R2.
6. True/False (no justification required, full credit only if all 4 parts are correct)
(i) A is diagonalizable if A has n eigenvectors.
(ii) If A is diagonalizable, then A has n distinct eigenvalues.
(iii) If AP = PD, with D diagonal, then the nonzero columns of P must be eigenvectors of A.
(iv) If A is invertible, then A is diagonalizable.