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Vectors & Spaces
easy
0:00.0
What is the result of
i
⋅
j
\mathbf{i} \cdot \mathbf{j}
i
⋅
j
?
A
0
0
0
B
1
1
1
C
k
\mathbf{k}
k
D
−
1
-1
−
1
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