Few sets of vectors (magnitude only) is given. In which set resultant of vector cannot be zero- (A) 2, 2, 2, 2 (B) 2, 12, 6, 14 (C) 2, 3, 4, 8 (D) 15, 7, 3, 4 Ans-D ( Explanation needed)
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take the extreme case that is arranging three of them parallel and fourth one opposite..and u will find that it will never be zero for any combination but in other options it can be..there fore it is the ans
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