Calculate 3×(12)3 \times \begin{pmatrix} 1 \\ 2 \end{pmatrix}3×(12).
(36)\begin{pmatrix} 3 \\ 6 \end{pmatrix}(36)
(45)\begin{pmatrix} 4 \\ 5 \end{pmatrix}(45)
(32)\begin{pmatrix} 3 \\ 2 \end{pmatrix}(32)
(16)\begin{pmatrix} 1 \\ 6 \end{pmatrix}(16)