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Homework Statement
- What is the relation between the kernel of A and the kernel of (A^2 + A)?
Homework Equations
The Attempt at a Solution
Break into A^2x = 0 and Ax = 0. We know Ax = 0 because that's the kernel of A, ker(A^2x) is subset of ker(A) so ker(A^2 + A) is a subset of ker (A)?