9709 Workbook — Cambridge AS & A Level Mathematics

Parallel: directions are multiples of each other.
Intersecting: solve two components for $\lambda$, $\mu$, then check the third.
Skew: not parallel and the third equation fails.

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Questions are original and written in the style of Cambridge International 9709 past papers; they are not copied from any paper. Practise with real past papers too, and check the current syllabus and list of formulae (MF19) with your teacher.

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