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$a=(41)\mathbf{a} = \begin{pmatrix} 4 \\ 1 \end{pmatrix}$ $b=(−26)\mathbf{b} = \begin{pmatrix} -2 \\ 6 \end{pmatrix}$

Work out $3a+b3\mathbf{a} + \mathbf{b}$ as a column vector.

[2]

Question bankVectors

95%

$a=(41)\mathbf{a} = \begin{pmatrix} 4 \\ 1 \end{pmatrix}$ $b=(−26)\mathbf{b} = \begin{pmatrix} -2 \\ 6 \end{pmatrix}$

Work out $3a+b3\mathbf{a} + \mathbf{b}$ as a column vector.

[2]

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