Solution
= Solution
\b[True.] The <rank-nullity theorem> gives $\dim\mathcal N(A)=n-r=0$. The only <vector> in this zero-dimensional <kernel of a linear map> is the zero <vector>.
= Solution
\b[True.] The <rank-nullity theorem> gives $\dim\mathcal N(A)=n-r=0$. The only <vector> in this zero-dimensional <kernel of a linear map> is the zero <vector>.