
Grade 11Algebra
The equation of the pair of lines through origin and perpendicular to the pair of lines 2x2 +
5xy + 2y2 +10x + 5y = 0 is
The equation of the pair of lines through origin and perpendicular to the pair of lines 2x2 +
5xy + 2y2 +10x + 5y = 0 is




