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12.2 Vectors in 3D

12.2 Vectors in 3D

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Question 29

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

12.2 Vectors in 3D Questions

  1. A Level
  2. /Maths
  3. /12.2 Vectors in 3D

42 exam-style questions on Edexcel A Level Maths 12.2 Vectors in 3D. Each one has a worked solution and a mark scheme showing where the marks go.

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