Vectors and Advanced Pure Extensions
Question 1 of 30
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Given vectors \( \mathbf{a}=2\mathbf{i}-\mathbf{j}+3\mathbf{k} \) and \( \mathbf{b}=\mathbf{i}+4\mathbf{j}-\mathbf{k} \), find the magnitude of \( 3\mathbf{a}-2\mathbf{b} \).
Select one option.
A
\(\sqrt{242}\)
B
\(\sqrt{250}\)
C
\(\sqrt{258}\)
D
\(\sqrt{266}\)
E
\(\sqrt{274}\)
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