If the pair of lines represented by equation `k(k - 3) x^2 + 16xy + (k+1)y^2 = 0` are perpendicular to each other, then find `k`.

If the pair of lines given by lamda(lamda-3)x^(2)+16xy+(lamda+1)y^(2)=0 perpendicular to each other, then lamda=

State with reasons which of following are true or false : The lines represented by 2x- 3y + 1 = 0 and 3x + 2y - k = 0 are perpendicular to each other for positive values of k only.

If the lines represented by 3y^(2)+9xy+kx^(2)=0 are perpendicular to eachother then k=

If the lines represented by 3y^(2)+9xy+kx^(2)=0 are perpendicular to eachother then k=

Direction ratios of two lines are 3, -2, k and -2k, 4 Find k, if the lines are perpendicular to each other.

If the equation (kx+y)^(2)=k(x^(2)+y^(2)) represents a pair of perpendicular lines, then k=

If the lines x−2/1=y−2/1=2 − z/k and x−1/k=4 −y/1=z−5/2 are perpendicular to each other, then the value of k is

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

If the lines represented by the pair of linear equations 2x+5y=3 and (k+1)x+2(k+2)y=2k are coincident then and the value of k is