Find k, if one of the lines given by `6x^(2) + kxy + y^(2) = 0` is `2x + y = 0`.

If one of the lines given by 6 x^(2)-x y+4 c y^(2)=0 is 3 x+4 y=0, then c=

Find the value of k, if the slope of one of the lines given by 4x^(2) + kxy + y^(2) = 0 is four times the other.

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

If the slope of one of the lines given by 4x^(2)+kxy+y^(2)=0 is four times the other, then k=

If 2x + y = 0 is one of the lines represented by 3x^(2) + kxy + 2y^(2) = 0 . Then the value of k is