1.

The equation of the planes passing through the line of intersection of the planes \[3x-y-4z=0\] and \[x+3y+6=0\] whose distance from the origin is 1, are

A. \[x-2y-2z-3=0\], \[2x+y-2z+3=0\]
B. \[x-2y+2z-3=0\], \[2x+y+2z+3=0\]
C. \[x+2y-2z-3=0\], \[2x-y-2z+3=0\]
D. None of these
Answer» B. \[x-2y+2z-3=0\], \[2x+y+2z+3=0\]


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