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4.11.1 Vectors (A-level only)

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Question 12

In triangle XYZXYZXYZ, XY⃗=−2i+6j+3k\vec{XY} = -2\mathbf{i} + 6\mathbf{j} + 3\mathbf{k}XY=−2i+6j+3k, XZ⃗=5i+2j−k\vec{XZ} = 5\mathbf{i} + 2\mathbf{j} - \mathbf{k}XZ=5i+2j−k

a.

Find the vector YZ⃗\vec{YZ}YZ

[3]
b.

Find the length of the line XYXYXY

[3]

4.11.1 Vectors (A-level only) Questions

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