Question bankVectors

Vectors

$a=(−42)\mathbf{a} = \begin{pmatrix} -4 \\ 2 \end{pmatrix}$ $b=(3−5)\mathbf{b} = \begin{pmatrix} 3 \\ -5 \end{pmatrix}$

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

[2]

Question bankVectors

$a=(−42)\mathbf{a} = \begin{pmatrix} -4 \\ 2 \end{pmatrix}$ $b=(3−5)\mathbf{b} = \begin{pmatrix} 3 \\ -5 \end{pmatrix}$

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

[2]

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