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Sandbox.WeC
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Homework Statement
A is a mxn. V is nxn and invertible. Show that imA=imAV2. The attempt at a solution
Up until now I haven't done much in the way of proving things. In this case is it enough to show that they are each closed under addition and scalar multiplication? Would that mean that imA is in imAV and vice versa, meaning they are equal?
Thanks for any help
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