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13a) Determine the angle between the planes x + 2y - 3z - 4 = 0 and x + 2y - 1 = 0

b) Determine the Cartesian equation of the plane that passes through the point P(1,2,1) and is perpendicular to the line (x-3)/(-2) = (y+1)/3 = (z+4)/1

Video Solution to Page 469 # 13Page 469 # 17

17. Determine the equation of the plane that lies between the points (-1,2,4) and (3,1,-4) and is equidistant from them.

Video Solution to Page 469 # 17