The three planes `x+y=0, y+z=0 and x+z=0` (A) meet in the unique point (B) meet in a line (C) meet taken two at a time i parallel lines (D) none of these

The three planes 4y+6z=5,2x+3y+5z=5 and 6x+5y+9z=10 (a) meet in a point (b) have a line in common (c) form a triangular prism (d) none of these

The plane x-2y+z-6=0 and the line x/1=y/2=z/3 are related as the line (A) meets the plane obliquely (B) lies in the plane (C) meets at righat angle to the plane (D) parallel to the plane

Prove that the three lines 2x-y-5=0, 3x-y-6=0 and 4x-y-7=0 meet in a point.

Prove that the three lines 5x+3y-7=0, 3x-4y=10, and x+2y=0 meet in a point.

The three planes 4y+6z=5,2x+3y+5z=5a n d6x+5y+9z=10 a. meet in a point b. have a line in common c. form a triangular prism d. none of these

The planes x=0 and y=0 (A) are parallel (B) are perpendicular to each other (C) interesect in z-axis (D) none of these

If the line y=mx meets the lines x+2y-1=0 and 2x-y+3=0 at the same point, then m is equal to

The linee joining the points (1,1,2) and (3,-2,1) meets the plane 3x+2y+z=6 at the point

What is the nature of the intersection of the set of planes x+a y+(b+c)z+d=0,x+b y+(c+a)z+d=0a n dx+c y+(a+b)z+d=0? (a). they meet at a point (b). they form a triangular prism (c). they pass through a line (d). they are at equal distance from the origin

The lines 2x-5y+1=0 and 10x-4y-3=0 meets the coordinate axes in concylic points, then equation to the circle is