Question -
The volume of the tetrahedron with vertices at (1,2,3), (4,3,2), (5,2,7), (6,4,8) is
Answer: Option D :
D
[−−→AB−−→AC−−→AD]=∣∣
∣∣31−1404525∣∣
∣∣=3(0−8)−1(20−20)−1(8−0)=−24−0−8=−32Volume of the tetrahedron =
16(32)=163 cubic unit.
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