Subspaces, basis, dimension and rank

lilymaidment

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Help with question 62
 

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Hi,
Thank you for your post.
As the guidelines state, which I am sure you read, you must tell us where you are stuck and show us your work so we have an idea on how you want to do the problem and where you are making some mistakes.

Do you know how to write an iff proof? Which direction are you having trouble with? Please help us help you by telling us something.
 
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