say true or false `x/1=(7y)/3=(z+2)/2` is situated in plane `3x-2y-2z+7=0`

Reflection of the line (x-1)/(-1)=(y-2)/(3)=(z-3)/(1) in the plane x+y+z=7 is

The plane x-2y+7z+21=0 (A) contains the line (x+1)/(-3)=(y-3)/2=(z+2)/1 (B) contains the point (0,7,-1) (C) is perpendicular to the line x / 1=y/(-2)=z/7 (D) is parallel to the plane x-2y+7z=0

The angle between the line (x)/(3)=(y)/(4)=(z)/(5) "and the plane " 2x+y-2z=7 is

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

Image of line (x - 2)/3 = (y - 1)/1 = (z - 1)/(-4) in the plane x + y + z = 7 is

Prove that the plane 2x+3y-4z=9 is perpendicular to each of the planes x+2y+2z-7=0 and 5x+6y+7z=23 .

Equation of the plane E which contains the line L : x = (y-3)/2 = (z-5)/3 , and is perpendicular to the plane , E_(1): 2x + 7y - 3z = 1 is

Projection of line (x+1)/(2)+(y+1)/(-1)=(z+3)/(4) on the plane x+2y+z=6; has equation x+2y+z-6=0=9x-2y-5z-8bx+2y+z+6=0,9x-2y+5z=4c(x-1)/(4)=(y-3)/(-7)=(z+1)/(10)d.(x+3)/(4)=(y-2)/(7)=(z-7)/(-10)