determine the Cartesian equation of a plane that passes through the points and and is perpendicular to the plane

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- March 11th 2010, 12:54 PMwilliamdetermine equation
determine the Cartesian equation of a plane that passes through the points and and is perpendicular to the plane

- March 11th 2010, 01:27 PMTKHunny
How about Ax + By + Cz + D = 0?

Then 2A - B + C = 0

Then A + 4B + 5C + D = 0

Then 3A + 2B + 1C + D = 0

What else is needed?