equation of the plane containing the points () and () and () Practice Problem

Point 1: (x₁,y₁,z₁)

Point 2: (x₂,y₂,z₂)

Point 3: (x₃,y₃,z₃)

  

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The following practice problem has been generated for you:
Calculate the equation of the plane containing the points (2,5,2) and (2,7,7) and (6,3,9)