The equation `x^3+x^2y-x y^2 =y^3` represents (a)three real straight lines (b)lines in which two of them are perpendicular to each other (c)lines in which two of them are coincident (d)none of these

If the equation 4y^(3) - 8a^(2)yx^(2) - 3ay^(2)x +8x^(3) = 0 represents three straight lines, two of them are perpendicular, then sum of all possible values of a is equal to

The straight lines 5x-9y-12=0andmx+10y=2 are perpendicular to each other , state which of the following is the value of m:

If the lines y = 3x + 7 and 2y + px = 3 perpendicular to each other, find the value of p

Find the equation of the straight line which is perpendicular to y=x and passes through (3,2).

Find the equations of straight line which are perpendicular to the straight line 4x-3y+7=0 and at a distance 3 unit from the origin.

The equation x^2y^2-9y^2-6x^2y+54 y=0 represents (a) a pair of straight lines and a circle (b) a pair of straight lines and a parabola (c) a set of four straight lines forming a square (d) none of these

Let a and b be nonzero real numbers. Then the equation (a x^2+b y^2+c)(x^2-5x y+6y^2)=0 represents. four straight lines, when c=0 and a , b are of the same sign. two straight lines and a circle, when a=b and c is of sign opposite to that a two straight lines and a hyperbola, when aa n db are of the same sign and c is of sign opposite to that of a a circle and an ellipse, when a and b are of the same sign and c is of sign opposite to that of a

Find the equations of straight lines which are perpendicular to the straight line 4x-3y+7=0 and at a distance of 3 unit from the origin.

The equation of the stringht line which is perpendicular to the line y=x and passes through (3,2) is -

The straight line which coincides with the graph of the equation x+y=5 is