Olga J.
asked • 01/20/13Show that the set V of all 2x2 upper triangular matrices is asubspace of M22
I need to turn this in tonight by 12 pm. Please, help!
George C. answered • 01/20/13
Humboldt State and Georgetown graduate
An analogous explanation is given here. It is not for upper triangular matrices, but fits your criteria in that it involves a subspace.
http://mathforum.org/library/drmath/view/65411.html
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Olga J.
I spent all weekend doing my homework, and seems like I am not even half way done. The textbook doesn't explain very well, and this is really frustrating. Thank you!
01/20/13