Question
If a is any vector then (a×^i)2+(a×^j)2+(a×^k)2 =
Answer: Option B
:
B
(a×^i)2+(a×^j)2+(a×^k)2=2a2
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:
B
(a×^i)2+(a×^j)2+(a×^k)2=2a2
Was this answer helpful ?
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