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1.11 Vectors

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Question 12

In triangle DEFDEFDEF, DE⃗=1i−2j+2k\vec{DE} = 1\mathbf{i} - 2\mathbf{j} + 2\mathbf{k}DE=1i−2j+2k, DF⃗=3i+4j−k\vec{DF} = 3\mathbf{i} + 4\mathbf{j} - \mathbf{k}DF=3i+4j−k

a.

Find the vector EF⃗\vec{EF}EF

[3]
b.

Find the length of the line DEDEDE

[3]
Markscheme

1.11 Vectors Questions

  1. A Level
  2. /Maths
  3. /1.11 Vectors

168 exam-style questions on OCR (MEI) A Level Maths 1.11 Vectors, covering 1.11.1 Language of vectors in two dimensions, 1.11.2 Add, subtract and scale vectors, 1.11.3 Magnitude and direction of a vector, 1.11.4 Position vectors, 1.11.5 Distance between points by position vectors, 1.11.6 Vectors to solve problems, 1.11.7 Language of vectors in three dimensions (A-level only), and 1.11 Vectors. Each one has a worked solution and a mark scheme showing where the marks go.

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