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let a,b,c be noncoplanar unit vectors equally inclined to one another at an acute angle k. then |[abc]| in terms of kis equal to A)(1+cosk)*root(cos2k) B)(1+cosk)*root(1-2cos2k) C)(1-cosk)*root(1+2cos2k) D)none of these
Dear student, for k = 90 it becomes a cube of volume 1 option B and C satisfy it for k = 0 volume is 0 Option C satisfies it this implies C is the correct option
Dear student,
for k = 90 it becomes a cube of volume 1
option B and C satisfy it
for k = 0 volume is 0
Option C satisfies it
this implies C is the correct option
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