If the volume of a parallelepiped whose adjacent edges are\(\rm \vec a – McqOptions

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1.	If the volume of a parallelepiped whose adjacent edges are\(\rm \vec a\) = 2î + 3ĵ + 4k̂\(\rm \vec b\) = î + αĵ + 2k̂\(\rm \vec c\) = î + 2ĵ + αk̂is 15 then α = ?
A.	1
B.	\(\dfrac52\)
C.	\(\dfrac92\)
D.	0
Answer» D. 0

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