Suppose A is a 3 x 3 matrix whose only eigenvalues are 1= -1,0,3, and suppose B is a 4 x 4 matrix whose only eigenvalues are = -2, 2, 4. For each of the following statements, answer %3D • TRUE if the statement must be true, • FALSE if the statement must be false, or • NOT ENQUGH INFO if there is not enough given information to determine if the statement is true or false. A is invertible. B is invertible. A is diagonalizable. i. ii. iii.

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.2: Direct Methods For Solving Linear Systems
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Suppose A is a 3 x 3 matrix whose only eigenvalues are A = -1,0, 3, and
suppose B is a 4 x 4 matrix whose only eigenvalues are = -2, 2, 4.
For each of the following statements, answer
%3D
• TRUE if the statement must be true,
• FALSE if the statement must be false, or
• NOT ENQUGH INFO if there is not enough given information to determine if
the statement is true or false.
i.
A is invertible.
ii.
B is invertible.
A is diagonalizable.
B is diagonalizable.
iii.
iv.
V.
there exists a nonzero vector v in R4 such that Bv = v.
%3D
vi.
there exists a nonzero vector w in R' such that ||Aw|| = ||w||.
Transcribed Image Text:Suppose A is a 3 x 3 matrix whose only eigenvalues are A = -1,0, 3, and suppose B is a 4 x 4 matrix whose only eigenvalues are = -2, 2, 4. For each of the following statements, answer %3D • TRUE if the statement must be true, • FALSE if the statement must be false, or • NOT ENQUGH INFO if there is not enough given information to determine if the statement is true or false. i. A is invertible. ii. B is invertible. A is diagonalizable. B is diagonalizable. iii. iv. V. there exists a nonzero vector v in R4 such that Bv = v. %3D vi. there exists a nonzero vector w in R' such that ||Aw|| = ||w||.
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