(Solved): need this two help with  Let \( A=\left[\begin{array}{ll}2 & 3 \\ 7 & 8\end{array}\right] \). F ...

Let \( A=\left[\begin{array}{ll}2 & 3 \\ 7 & 8\end{array}\right] \). Find matrix \( P^{\prime} \) such that \( A \cdot P^{\prime}=\left[\begin{array}{ll}3 & 2 \\ 8 & 7\end{array}\right] \) \[ P^{\prime}= \] Let \( A=\left[\begin{array}{ll}2 & 0 \\ 1 & 3\end{array}\right] \). Reach for your pencil \( \& \) paper and draw the two column vectors of \( A \). Add the two vectors and draw the resulting vector. Compute the product \( \left[\begin{array}{ll}2 & 0 \\ 1 & 3\end{array}\right]\left[\begin{array}{l}1 \\ 1\end{array}\right] \). What's the result? What is the effect of multiplying a \( 2 \times 2 \) matrix by the column \( \left[\begin{array}{l}1 \\ 1\end{array}\right] ? \) it adds up the columns of \( A \). it switches the columns of \( A \). it switches the rows of \( A \). it adds up the rows of \( A \). it multiplies the columns of \( A \) by 2. lit multiplies the rows of \( A \) by 2 .