Question 1201a

Vectors I: Basics, Dot and Cross Products
Vector Magnitude

Question

The vector a{\mathbf{a}} is given by
a=2i−4j−5k\mathbf{a}=2 \mathbf{i} - 4 \mathbf{j} - 5 \mathbf{k}
What is ∣a∣?{|\mathbf{a}|?}

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Your answer:

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