If two of the lines represented by `ax^4 +bx^3y +cx^2 y^2+dxy^3+ay^4=0` bisects the angle between the other two, then

If two lines represented by x^4+x^3y+c x^2y^2-x y^3+y^4=0 bisector of the angle between the other two, then the value of c is

If two lines represented by x^4+x^3y+c x^2y^2-x y^3+y^4=0 bisect the angle between the other two, then the value of c is 0 (b) -1 (c) 1 (d) -6

If two lines represented by x^4+x^3y+c x^2y^2-x y^3+y^4=0 bisect the angle between the other two, then the value of c is (a) 0 (b) -1 (c) 1 (d) -6

If two lines represented by x^4+x^3y+c x^2y^2-x y^3+y^4=0 bisect the angle between the other two, then the value of c is (a) 0 (b) -1 (c) 1 (d) -6

If two lines represented by x^4+x^3y+c x^2y^2-x y^3+y^4=0 bisect the angle between the other two, then the value of c is (a) 0 (b) -1 (c) 1 (d) -6

If two lines represented by x^4+x^3y+c x^2y^2-x y^3+y^4=0 bisector of the angle between the other two, then the value of c is (a) 0 (b) -1 (c) 1 (d) -6

If two lines represented by x^4+x^3y+cx^2y^2-xy^3+y^4=0 bisect the angle between the other two then the value of 'c' is

If two lines represented by x^(4)+x^(3)y+cx^(2)-xy^(3)+y^(4)=0 bisect the angle between the other two,then the value of c is 0(b)-1(c)1(d)-6

Prove that two of the four lines represented by the joint equation ax^4+bx^3y+cx^2y^2+dxy^3+ay^4=0 will bisect the angles between the other two if c+6a=0 and b+d=0

If two of the three lines represented by ax^3+ bx^2y +cxy^2+dy^3=0 may be at right angles then