Coordinate Geometry » Exercise - 14. The line joining the points (1,1,2) and (3, -2 ,1) meets the plane 3x+2y+z = 6 at the point : (a) (1,1,2 ) (b) (3,-2 ,1) (c) (2,-3,1 ) (d) (3,2 ,1)
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Coordinate Geometry » Exercise - 15. The plane passing through the point (5,1,2) perpendicular to the line 2(x-2) = y-4 = z-5 will meet the line in the point : (a) (1,2 ,3) (b) (2,3,1 ) (c) (1,3 ,2) (d) (3,2,1 )
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Coordinate Geometry » Exercise - 110. The three planes 4y+6z = 5; 2x+3y+5z = 5; 6x+5y+9z = 10 : (a) meet in a point (b) have a line in common (c) form a triangular prism (d) none of these
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Coordinate Geometry » Exercise - 18. A plane meets the coordinate axes in A,B,C such that the centroid of the triangle ABC is the point (a,a,a). Then the equation of the plane is x+y+z=p where p is : (a) a (b) 3/a (c) a/3 (d) 3a
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