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

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

The value of a for which the lines represented by ax^(2)+5xy +2y^(2) = 0 are mutually perpendicular is

The value of 'a' for which the lines repreented by ax^(2)+5xy+2y^(2)=0 are mutually perpendicular is

The two lines represented by 3a x^2+5x y+(a^2-2)y^2=0 are perpendicular to each other for

Find the value of k for which the lines kx - 5y + 4 = 0 and 5x – 2y + 5 = 0 are perpendicular to each other

Find the value of k for which the lines 5x + 4y - 6 = 0 and 2x + ky + 9 = 0 are (ii) perpendicular.

Find k if lines 5x - ky- 7=0 and 2x + 3y + 5 =0 are mutually perpendicular.

The pair of lines represented by 3 a x^(2)+5 x y+(a^(2)-2) y^(2)=0 are perpendicular to each other for