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Mathematics
Problem
For the vector
a
=
7
i
^
−
24
j
^
+
18
k
^
\mathbf{a}=7\hat{i}-24\hat{j}+18\hat{k}
a
=
7
i
^
−
24
j
^
+
18
k
^
, the magnitude
∣
a
∣
|\mathbf{a}|
∣
a
∣
is a)
25
25
25
b)
949
\sqrt{949}
949
c)
31
31
31
d)
881
\sqrt{881}
881
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