The equation of y-axis are (A) `x=0,y=0` (B) `x=0,z=0` (C) `y=0,z=0` (D) none of these

for every point (x,y,z) on the y-axis: (A) x=0,y=0 (B) x=0,z=0 (C) y=0,z=0 (D) y!=0,x=0,z=0

for every point (x,y,z) on the y-axis: (A) x=0,y=0 (B) x=0,z=0 (C) y=0,z=0 (D) y!=0,x=0,z=0

The equation vecr=lamda hati+muhatj represents the plane (A) x=0 (B) z=0 (C) y=0 (D) none of these

The equation vecr=lamda hati+muhatj represents the plane (A) x=0 (B) z=0 (C) y=0 (D) none of these

Equation of X axis is……………..a)x=0 b)y=0 c)x=b d)y=a

The image of plane 2x-y+z=2 in the plane mirror x+2y-z=3 is (a) x+7y-4x+5=0 (b) 3x+4y-5z+9=0 (c) 7x-y+2z-9=0 (d) None of these

The image of plane 2x-y+z=2 in the plane mirror x+2y-z=3 is (a) x+7y-4x+5=0 (b) 3x+4y-5z+9=0( c) 7x-y+2z-9=0 (d) None of these

What is the locus of a point for which (i) x =0, y =0 (ii) y =0, z =0 (iii) z =0, x =0 (iv) x =a, y =b (v) y =b, z =0 (vi) z =c, x =a ?

The equation 2x+y-4z=0, x-2y+3z=0 , x-y+z=0 have

The equations x+y+z =0,x + 2y-4z = 0,2x - y - z =0 have