determine an equation for each plane
a) contains the point A(6,2,3), B(5,1,-3), and C(5,7,-2)
b) parallel to 2x + 6y + 4z = 1 and contains the point P(3,2,1)
a) contains the point A(6,2,3), B(5,1,-3), and C(5,7,-2)
b) parallel to 2x + 6y + 4z = 1 and contains the point P(3,2,1)