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Question 38

In triangle $L M N$ , $LM⃗=i−2j+5k\vec{LM} = \mathbf{i} - 2\mathbf{j} + 5\mathbf{k}$ , $LN⃗=4i+3j−2k\vec{LN} = 4\mathbf{i} + 3\mathbf{j} - 2\mathbf{k}$

a.

Find the vector $MN⃗\vec{MN}$

[3]

b.

Find the length of the line $L M$

[3]

Vectors Questions

A Level
Maths
Vectors