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Q8) Ifa, b, c (b, care non-parallel) are...

Q8) Ifa, b, c (b, care non-parallel) are unit vectors such that ax (b×c) = (1/2) then the angle which a makes with b and are en the angle which a makes with b and c are A. 30, 60 B. 600, 90° C. 90, 60 D. 60°, 30° 0 c00 0 300

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