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jwqwerty
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Homework Statement
1. If v is any nonzero vector in R^2, what is the dimension of the space V of all 2x2 matrices for which v is an eigenvector?
2. If v is an eigenvector of matrix A with associated eigenvalue 3, show that v is in the image of matrix A
Homework Equations
If v is an eigenvector with eigenvalue c(real number), then Av=cv (definition of eigenvector)
The Attempt at a Solution
i have posted a picture for my attempt at the first question
but i totally have no idea on the second question
need help from you guys!
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