(Solved): 3. Consider the set of nxn matrices over the real numbers. Show this is a vector space. And determi ...
3. Consider the set of nxn matrices over the real numbers. Show this is a vector space. And determine whether or not the following subsets are linear subspaces: a. Set of invertible matrices b. Set of matrices of trace =0.' c. Subset of D={(a,1/a,b)?a,b in R} in R3