1.

If →a,→b,→c are three vectors such that (→a+→b)⋅→c=(→a−→b)⋅→c=0, then the resultant of the vector (→a×→b)×→c is

Answer»

If a,b,c are three vectors such that (a+b)c=(ab)c=0, then the resultant of the vector (a×b)×c is



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