Vector Lines (Edexcel A Level Further Maths: Core Pure): Exam Questions

Exam code: 9FM0

6 mins1 question

3 marks

The line $l_{1}$ has equation

$\frac{x - 1}{2} = \frac{y + 1}{- 1} = \frac{z - 4}{3}$

The line $l_{2}$ has equation

$r = i + 3 k + t (i - j + 2 k)$

where $t$ is a scalar parameter.

Show that $l_{1}$ and $l_{2}$ lie in the same plane.

How did you do?

3 marks

Find, to the nearest degree, the acute angle between $l_{1}$ and $l_{2}$ .

How did you do?

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