L_(1):2(x-1)+3(y+2)+(z-7)=0 and L_(1):2(x+1)-3(y+2)+(z+7)=0 are two planes.
Answer»
`L_(1)andL_(2)` are parallel `L_(1)andL_(2)` are perpendicular `L_(1)andL_(2)` are equidistant from the origin Equation of a plane through the INTERSECTION of `L_(1)andL_(2)` is `y=0`