Excuse me if this is a bad question but:(adsbygoogle = window.adsbygoogle || []).push({});

Does ##d P_x d P_y = d^2 \vec P ##?

I thought not because ##P_x ## is a scalar , a component of the vector, whereas ##\vec P ## is a vector?

Thanks in advance

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# I Does dP_x dP_y = d^2\vec P : Integration scalar / vector var

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