I am trying to show that the point in the plane ax+by+cz=d closest to the origin is(adsbygoogle = window.adsbygoogle || []).push({});

P(ad/D^2, bd/D^2, cd/D^2) where D^2=a^2 + b^2 + c^2. How do I approach this? I tried using partial derivatives but got too complex after a while. Thanks

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# Distance from a point to a plane

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