Let \vec{a} = \langle 1, 5, 4 \rangle. Find \|\vec{a}\|.
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The magnitude of a vector is calculated using the formula: |a| = sqrt(a1^2 + a2^2 + a3^2) where a1, a2, and a3 are the components of the vector. In this case, a = (1, 5, 4), so we can substitute the values into the formula: |a| = sqrt(1^2 + 5^2 + 4^2) = Show more…
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