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Mathematics
Mathematics
Problem
The position vectors of three vertices
A
,
B
,
C
A, B, C
A
,
B
,
C
of a tetrahedron
O
A
B
C
OABC
O
A
B
C
with respect to its vertex
O
O
O
are
i
^
,
6
j
^
,
k
^
\hat{\mathbf{i}}, 6\hat{\mathbf{j}}, \hat{\mathbf{k}}
i
^
,
6
j
^
,
k
^
, then its volume (in cu units) is a. 3 b.
1
3
\frac{1}{3}
3
1
c.
1
6
\frac{1}{6}
6
1
d. 6
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