a=(25)\mathbf{a} = \begin{pmatrix} 2 \\ 5 \end{pmatrix}a=(25) b=(3−1)\mathbf{b} = \begin{pmatrix} 3 \\ -1 \end{pmatrix}b=(3−1)
Work out 3a+b3\mathbf{a} + \mathbf{b}3a+b as a column vector.
74 exam-style questions on Edexcel GCSE Maths Vectors. Each one has a worked solution and a mark scheme showing where the marks go.