a=(23) and b=(15)
a = \begin{pmatrix} 2 \\ 3 \end{pmatrix} \text{ and } b = \begin{pmatrix} 1 \\ 5 \end{pmatrix}
a=(23) and b=(15)
ai.[1]
Write down as a column vector a+ba + ba+b.
aii.[2]
Write down as a column vector 2a+3b2a + 3b2a+3b.
b.[1]
The vector c is drawn on the grid.
From the point PPP, draw the vector 4c4c4c.