Vector Algebra Question 339
Question: If i, j, k are unit vectors, then
[MP PET 2001]
Options:
A) i . j $ = $ 1
B) i . i $ = $ 1
C) $ \mathbf{i}\times \mathbf{j}=1 $
D) $ \mathbf{i}\times (\mathbf{j}\times \mathbf{k})=1 $
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Answer:
Correct Answer: B
Solution:
- It is obvious.