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Direction cosines l, m, n of a line which are connected by the relations l + m + n = 0, 2mn + 2ml – nl = 0 may be

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Direction cosines l, m, n of a line which are connected by the relations l + m + n = 0, 2mn + 2ml – nl = 0 may be 

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Correct Option :- (A) (B)

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