I tried so many approaches , at least give me a hint on how to find
The unit vectors
$$ \vec{V} = y\vec{i} + x\vec{j} + \frac{x^2}{\sqrt[2]{x^2+y^2})} \vec{k}\ $$
2026-04-02 09:11:12.1775121072
Transform to cylindrical coordinate system
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