$$\(\mathbf{p}=\left(\begin{array}{l}4 \\ 5\end{array}\right) \quad \mathbf{q}=\left(\begin{array}{r}-2 \\ 7\end{array}\right)\)$$ Find $$\(|\mathbf{p}|\)$$. .............................................
Exam No：0580_s20_qp_42 Year：2020 Question No：2(a)(ii)
Answer:
\(6.4[0]\) or \(6.403 \ldots\)
Knowledge points:
E7.3.1 Calculate the magnitude of a vector
Solution:
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