The planes 2x + 5y + 3z = 0, x-y+4z = 2 and7y_5z + 4 = 0(1) Meet in point(2) Meet in a line(3) Are equidistant from origin(4) None of these

The planes 2x+5y+3z=0,x-y+4z=2 and 7y_(-)5z+4=0(1) Meet in point (2) Meet in a line (3) Are equidistant from origin (4) None of these

The angle between the planes: 3x - 4y + 5z = 0 and 2x-y-2z = 5 is:

Show that the points (1,-1,3) and (3, 4, 3) are equidistant from the plane 5x +2y + -7z + 8 = 0.

The line (x-1)/(2) = (y -2)/(-3) = (z + 5)/(4) meets the plane 2x + 4y -z = 3 at the point whose coordinates are

Prove that the line of section of the planes 2x-y+z=4 and 5x+7y+2z=0 meets the plane 3x+4y-2z+3=0 in a single point. Find the cooridnates of that point.

The plane x + 3y + 13 = 0 passes through the line of intersection of the planes 2x - 8y + 4z = p and 3x - 5y + 4z + 10 = 0 If the plane is perpendicular to the plane , 3x - y - 2z - 4 = 0 then the value of p is equal to

The angle between the planes 3x-4y+5z=0 and 2x-y-2z=5 is

If the eqution of the plane passing through the line of intersection of planes 2x - 7y + 4z -3 =0, 3x - 5y + 4z + 11 =0 and the point ( -2,1,3) at ax + by +cz -7=0 , then the value of 2a +b +c -7 is "____________" .

If the line (x-1)/(2)=(y+1)/(3)=(z-2)/(4) meets the plane, x+2y+3z=15 at a point P, then the distance of P from the origin is