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 (7,10,5) and (9,8,6) and (7,5,9)