brightest flashlight vector normal to a plane

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Exercise: Show that if A is a , and k is a nonzero constant, then kA is also a to the same .

https://math.stackexchange.com/questions/137538/calculate-the-vector-normal-to-the-plane-by-given-points

Figuring out a from its equation.

. If S is then a n is (perpendicular) to the if it is orthogonal to every that lies on the .

https://en.wikipedia.org/wiki/Brightest_Day

https://en.wikipedia.org/wiki/Brightest_Gold

https://en.wikipedia.org/wiki/Brightest_cluster_galaxy

https://en.wikipedia.org/wiki/Brightest_and_Best

https://en.wikipedia.org/wiki/Brightest_Star_(film)

Brightest Flashlight in the World