1.

A vector A is along the positive x axis .If B is another vector such that A×B is zero ,then B could be : a) 4j . b)-4j c) -( i+ j) d)(i+ k)

Answer»

A vector A is along the positive x axis .If B is another vector such that A×B is zero ,then B could be : a) 4j . b)-4j c) -( i+ j) d)(i+ k)



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