If one of the lines `2x^(2)-xy-15y^(2)=0` is perpendicular to line `kx+y=0` then `k=`

One of the lines 3x^(2)+4xy+y^(2)=0 is perpendicular to lx+y+4=0 then l=

One of the lines of 3x^(2)+4xy+y^(2)=0 is perpendicular to lx+y+4=0 then l=

If one of the lines given by 3x^(2)-kxy+5y^(2)=0 is perpendicular to the line 5x+3y=0 , then k=

If one of the lines given by kx^(2)-5xy-3y^(2)=0 is perpendicular to the line x-2y+3=0 , then k=

If one of the lines given by kx^(2)-5xy-3y^(2)=0 is perpendicular to the line x-2y+3=0 , then k=

If one of the lines given by kx^(2)-5xy-3y^(2)=0 is perpendicular to the line x-2y+3=0 ,then the value of k is

If one of the lines represents by 3x^(2)-4xy+y^(2)=0 is perpendicular to one of the line 2x^(2)-5xy+ky^(2)=0 then k=

If one of the lines 2x^(2)-xy+ky^(2)=0 is x-3y=0 then k=

Let L be the line joining the origin to the point of intersection of the lines represented by 2x^(2)-3xy-2y^(2)+10x+5y=0 . If L is perpendicular to the line kx+y+3=0 then k=

Let L be the line joing the origin to the point of interesection of the lines represecnted by 2x^(2)-3xy-2y^(2)+10x+5y=0 . If L is perpendicular to the line kx+y+3=0, then k=