1.

If for two vectors \[\overrightarrow{A}\] and \[\overrightarrow{B},\overrightarrow{A}\times \overrightarrow{B}=0,\]the vectors

A.                 Are perpendicular to each other
B.                 Are parallel to each other
C.                 Act at an angle of 60°     
D.                 Act at an angle of 30°
Answer» C.                 Act at an angle of 60°     


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