(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Let P1 be the plane passing through the point A(5,-6,7) parallel to the xy-plane. Write down the coordinates of the point D on P1 which is closest to C(1,3,4).

2. Relevant equations

None.

3. The attempt at a solution

I am not sure how to attempt this problem. I tried sketching a diagram (attached), but didnt know what else to do.

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# Homework Help: Point on plane closest to point in R3

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