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Mathematics
Mathematics
Problem
If
a
\mathbf{a}
a
has magnitude 5 and points North-East and vector
b
\mathbf{b}
b
has magnitude 5 and points North-West, then
∣
a
−
b
∣
|\mathbf{a} - \mathbf{b}|
∣
a
−
b
∣
is equal to a. 25 b. 5 c.
7
3
7\sqrt{3}
7
3
d.
5
2
5\sqrt{2}
5
2
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