Vectors

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Question 38

Given that $∣ki+4j+4k∣=9|k\mathbf{i} + 4\mathbf{j} + 4\mathbf{k}| = 9$

Find the two possible values of $k$

[3]

Vectors Questions

A Level
Maths
Vectors

Practise Edexcel A Level Maths Vectors with exam-style questions for A Level Maths. 123 questions covering 11.1 Vectors, 11.2 Representing Vectors, 11.3 Magnitude and Direction, 11.4 Position Vectors, 11.5 Solving Geometric Problems, and 11.6 Modelling with Vectors, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.