If Ā = 3i + j+ 2k and B = 2î - 2j + 4K
(1) Find the magnitude of Āx B
(i) Find a unit vector perpendicular to both A and B
(ii) Find the cosine and sine of the angle between the vectors A and B
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Answer:
A×B=8i-8j-8k unit perp. vector=8i-8j-8k/192
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