The two lines represented by `3a x^2+5x y+(a^2-2)y^2=0` are perpendicular to each other for (a)two values of `a` (b) a (c)for one value of `a` (d) for no values of `a`

The point of lines represented by 3ax^(2) + 5xy + (a^(2) – 2)y^(2) = 0 and perpendicular to each other for

Find the value of p if lines 3y - 2x = 4 and 4y - px = 2 are perpendicular to each other .

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

Show that the lines (x-5)/7=(y+2)/(-5)=z/1 and x/1=y/2=z/3 are perpendicular to each other.

The lines x+y-1=0,(m-1)x+(m^2-7)y-5=0, and (m-2)x+(2m-5)y=0 are (a)concurrent for three values of m (b)concurrent for one value of m (c)concurrent for no value of m (d)parallel for m=3.

Find the value of a for which the lines represented by a x^2+5x y+2y^2=0 are mutually perpendicular.

If the angle between the two lines represented by 2x^2+5x y+3y^2+6x+7y+4=0 is tan^(-1)(m), then find the value of mdot

The lines 3x-5y+1=0 and 5x+ky+2=0 are perpendicular if the value of k is ……….