The matrix A=(32)(15)=(315210)A = \begin{pmatrix} 3 \\ 2 \end{pmatrix} \begin{pmatrix} 1 & 5 \end{pmatrix} = \begin{pmatrix} 3 & 15 \\ 2 & 10 \end{pmatrix}A=(32)(15)=(321510) is rank 1. How many nonzero eigenvalues does AAA have?
0
1
2
Cannot be determined