if a b c are three non zero vectors then prove that [a b c]^2 =a^2b^2c^2.
Satnaam , 7 Years ago
Grade 12th pass
Vectors> if a b c are three non zero vectors then ...
1 Answers
Arun
Last Activity: 7 Years ago
[a b c]2 = {a. (b X c)}2
= a2 (b X c)2 cos theta
= a2 b2 c2 cos theta sin alpha
= if we find mod
then
= a2 b2 c2
Regards
Arun (askIITians forum expert)
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