2. The unit vector perpendicular to both the vectors A = i +2j-3 and B = 2 - 2j+ 4k is : 1 1 (1) Vas(-5) – 3k) i (- (+ ) (2) 135 (-i + 5j +3k) 35 (3) Both (4) None
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the answer is Option (3)Both
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