Friday, 21 March 2014

linear algebra - 2x2 matrices with sum of diagonal entries equal zero

Is the set of 2x2 matrices with sum of diagonal entries equal zero a vector space over the real numbers under the usual matrix matrix addition and scalar matrix multiplication?

No comments:

Post a Comment

real analysis - How to find limhrightarrow0fracsin(ha)h

How to find limh0sin(ha)h without lhopital rule? I know when I use lhopital I easy get $$ \lim_{h\rightarrow 0}...