A vector →A is along +ve x-axis. Another vector →B such that →A×→B=→0 could be
A
4^j
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B
−4^i
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C
−(^i+^j)
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D
(^j+^k)
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Solution
The correct option is B−4^i Since for two non zero vectors to have 0 cross product, angle between them must be an integral multiple of π, option B is correct.