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Mathematics
Mathematics
Problem
State the relation between
∣
k
a
∣
|k\mathbf{a}|
∣
k
a
∣
, the magnitude of the scalar multiple
k
a
k\mathbf{a}
k
a
, and the magnitudes
∣
k
∣
|k|
∣
k
∣
and
∣
a
∣
|\mathbf{a}|
∣
a
∣
.
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