#### TOPIC: Matrices

Topics
Question 1 out of 5

Find the values of  a and b such that $$R = \begin{pmatrix} 3& b \\ 4 & a \end{pmatrix} \begin{pmatrix} 7a \\ 2 \end{pmatrix} = \begin{pmatrix} 43 \\ 30 \end{pmatrix}$$.