Quick questions on Vectors: components, magnitude, position vectors and geometry - Edexcel A-Level Maths

2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?

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Find the magnitude of

\mathbf{a} = 2\mathbf{i} - 3\mathbf{j} + 6\mathbf{k}

. [2 marks]

What is q2?

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Points

A

and

B

have position vectors

\mathbf{i} + 2\mathbf{j}

and

5\mathbf{i} - 2\mathbf{j}

. Find

\overrightarrow{AB}

and its magnitude. [3 marks]

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