Let $R^3 \rightarrow R^3$ linear transformation that defined $T_A(v)=Av$ is it isomorphism?
I'm not sure but it seems like it the identity transformation, Therefore I think it isomorphism, but the answer says no,
Any idea?, Thanks
Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. It only takes a minute to sign up.Sign up to join this community