A) \[{{30}^{o}}\]
B) \[{{60}^{o}}\]
C) \[{{90}^{o}}\]
D) \[\text{18}{{\text{0}}^{\text{o}}}\]
Correct Answer: D
Solution :
\[\text{\vec{C}}\] and \[\text{\vec{D}}\] are antiparallel since \[\vec{A}\times \vec{B}=-(\vec{B}\times \vec{A})\] Hence, angle between \[\text{\vec{C}}\]and \[\text{\vec{D}}\]is \[\text{18}{{\text{0}}^{\text{o}}}.\]You need to login to perform this action.
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