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[" If "hat u" and "hat v" are unit vectors and "theta" is the acute "],[" angle between them,then "2hat u times3hat v" is a unit "],[" vector for "],[" 1) Excatly two values of "theta],[" 2) More than two values of "theta],[" 3) No value of "theta],[" 4) Exactly one value of "theta]

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