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Let $\vec { A } = a \hat { i } + b \hat { j } + c \hat { k }$. Is $\frac { 1 } { \vec { A } }$ a vector or not, and if it is, then what are its components?"

Qmechanic
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Hawkingo
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    Would [math.se] be a better home for this question? – Qmechanic Nov 23 '18 at 06:25
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    @Qmechanic Not necessarily. If the OP wondered whether $A_i/A^2$ transforms as a vector does, math.se will be more likely than phys.se to overlook that. It does, BTW. – J.G. Nov 23 '18 at 08:03

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