If `|z|=1a n dz!=+-1,` then all the values of `z/(1-z^2)` lie on (a)a line not passing through the origin (b)`|z|=sqrt(2)` (c)the x-axis (d) the y-axis

Equation of the passing through the origin and perpendicular to the planes x+2y+z=1 , 3x-4y+z=5 is

A vector vecn is inclined to x -axis at 45^(@) , to y-axis at 60^(@) and at an angle to z-axis. If vecn is a normal to the plane passing through the point (sqrt(2),-1,1) , then the equation of plane is

The complex numbers z=x+iy which satisfy the equation |(z-5i)/(z+5i)|=1 lie on (a) The x-axis (b) The straight line y=5 (c) A circle passing through the origin (d) Non of these

The straight line (x-3)/3=(y-2)/1=(z-1)/0 is (a)Parallel to x-axis (b)Parallel to the y-axis (c)Parallel to the z-axis (d)Perpendicular to the z-axis

If z_1a n dz_2 are conjugate to each other then find a r g(-z_1z_2)dot

The line through of the plane passing through the lines (x-4)/(1)=(y-3)/(1)=(z-2)/(2) and (x-3)/(1)=(y-2)/(-4)=(z)/(5) is

Equation of line passing through A(1,0,3), intersecting the line (x/2=(y-1)/3=(z-2)/1) and parallel to the plane x+y+z=2 is

The equation of the plane which is equally inclined to the lines (x-1)/2=y/(-2)=(z+2)/(-1)a n d=(x+3)/8=(y-4)/1=z/(-4) and passing through the origin is/are a. 14 x-5y-7z=0 b. 2x+7y-z=0 c. 3x-4y-z=0 d. x+2y-5z=0

The point of intersecting of the line passing through (0, 0, 1) and intersecting the lines x+2y+z=1, -x+y-2z=2 and x+y=2, x+z=2 with xy-plane is