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Question 31

a=(4−3)\mathbf{a} = \begin{pmatrix} 4 \\ -3 \end{pmatrix}a=(4−3​) b=(−25)\mathbf{b} = \begin{pmatrix} -2 \\ 5 \end{pmatrix}b=(−25​)

a.

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

[2]
b.

Hence, work out 9a+3b9\mathbf{a} + 3\mathbf{b}9a+3b as a column vector.

[1]
Markscheme

Vectors Questions

  1. GCSE
  2. /Maths
  3. /Vectors

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

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