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4.11 Vectors (A-level only)

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Question 65

It is given that

∣3i+tj+2k∣=7\left|3\mathbf{i} + t\mathbf{j} + 2\mathbf{k}\right| = 7∣3i+tj+2k∣=7

where t t\,t is a constant.

Find the two possible values of ttt.

[3]
Markscheme

4.11 Vectors (A-level only) Questions

  1. A Level
  2. /Maths
  3. /4.11 Vectors (A-level only)

131 exam-style questions on WJEC A Level Maths 4.11 Vectors (A-level only), covering 4.11.1 Vectors (A-level only) and 4.11.2 Vectors (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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