If the equation `a x^2-6x y+y^2=0` represents a pair of lines whose slopes are `m` and `m^2,` then the value(s) of `a` is/are

If the equation ax^(2)-6xy+y^(2)=0 represents a pair of lines whose slopes are m and m^(2), then the value(s) of a is/are

If the equation ax62-6xy+y^2+bx+cy+d=0 represents a pair of lines whose slopes are m and m^2 , then the values (s) of a is / are

If the equation 2x^2-2xy-y^2-6x+6y+c=0 represents a pair of lines then c=

If the equation kx^(2)-y^(2)+4x-y=0 represents a pair of line, then k=

If the equation ax^(2)-6xy+y^(2)+2gx+2fy+c=0 represents a pair of lines whose slopes are m and m^(2), then sum of all possible values of a is-

If the equation x^(2)+3xy+2y^(2)+x-y+k=0 represents a pair of line, then k=

If the equation 2x^(2)-3xy+y^(2)-kx+5y+6=0 represents a pair of line, then k=

If the equation x^(2)-y^(2)-x-lamday-2=0 represents a pair of lines then lamda=