A plane meets of axes in P,Q and R such that centroid PQR is (1,2,3). The equation of the plane is (A) `6x+3y+2z=6` (B) `6x+3y+2z=1` (C) `6x+3y+2z=18` (D) `x+2y+3z=1`

A plane meets the coordinate axes at P, Q and R such that the centroid of the triangle is (3,3,3). The equation of he plane is (A) x+y+z=9 (B) x+y+z=1 (C) x+y+z=3 (D) 3x+3y+3z=1

A plane through the line (x-1)/1=(y+1)/(-2)=z/1 has the equation (A) x+y+z=0 (B) 3x+2y-z=1 (C) 4x+y-2z=3 (D) 3x+2y+z=0

Find the angle between the planes 2x - y + 3z = 6 and x + y +2z =7 .

Find the angle between the planes 2x - y + 3z = 6 and x + y +2z =7 .

The acute angle between the planes 2x-y+z=6 and x+y+2z=3 is

A variable plane passes through a fixed point(3,2,1) and meets and axes at A,B,C respectively. A plane is drawn parallel to plane through a second plane is drawn parallel to plane through A,B,C . Then the locus of the point of intersection of these three planes, is : (a) 1/x+1/y+1/z =11/6 (b) x/3+y/2+z/1=1 (c) 3/x+2/y+1/z=1 (d) xy+z=6

The equation of the plane passing through the intersection of the planes x+2y+3z+4=0a dn 4x+3y+2z+1=0 and the origin ils (A) 3x+2y+z+1=0 (B) 3x+2y+z=0 (C) 2x+3y+z=0 (D) x+y+z=0

The equation of the plane whose intercepts on the axes are thrice of those made by the plane 2x-3y+6z-11=0 is (A) 6x-9y+18z-11=0 (B) 2x-3y+6z-33=0 (C) 2x-3y+6z+33=0 (D) none of these

Find the distance between the planes 2x-y+2z=4 and 6x-3y+6z=2.

The equation of the line passing through (1, 2, 3) and parallel to the planes x-y + 2z = 5 and 3x + y + z = 6 is.