If the equation, ax2 + 2hxy + by2 + 2gx + 2fy + c = 0 represent a pair of straight lines, prove that the equation to the third pair of straight lines passing through the points where these meet the axes is, ax2 − 2 hxy + by2 + 2 gx + 2 fy + c + 4fg/ c xy = 0
ANKIT , 7 Years ago
Grade 12th pass