1. A FAMILY OF LINES IS GIVEN BY (1+λ)x+(1-λ)y=0, λ being a parameter the line belonging to this family at a maximum distance from the point (1,4) is ax+by+cz=0.then the value of a+b+c/19 is
1. A FAMILY OF LINES IS GIVEN BY (1+λ)x+(1-λ)y=0, λ being a parameter the line belonging to this family at a maximum distance from the point (1,4) is ax+by+cz=0.then the value of a+b+c/19 is