If[Tex] \overrightarrow{A} = \vec{r} = x\hat{i}+y\hat{j}+z\hat{k}[/Tex] then ∇([Tex]\overrightarrow{A}[/Tex] . [Tex]\overrightarrow{A}[/Tex]) = ?
2 [Tex]\overrightarrow{r}[/Tex]
[Tex]\overrightarrow{r}[/Tex]
0
[Tex]\overrightarrow{r}^{2}[/Tex]
This question is part of this quiz :
Vector differentiation