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Question 24

a=(21)\mathbf{a} = \begin{pmatrix} 2 \\ 1 \end{pmatrix}a=(21​) b=(−14)\mathbf{b} = \begin{pmatrix} -1 \\ 4 \end{pmatrix}b=(−14​)

a.

Work out 3a3\mathbf{a}3a as a column vector.

[1]
b.

Hence, work out 3a+b3\mathbf{a} + \mathbf{b}3a+b as a column vector.

[1]
Markscheme

Vectors Questions

  1. GCSE
  2. /Maths
  3. /Vectors

75 exam-style questions on CCEA GCSE Maths Vectors. Each one has a worked solution and a mark scheme showing where the marks go.

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