For the equation `ax^(2) +by^(2) + 2hxy + 2gx + 2fy + c =0` where `a ne 0`, to represent a circle,
Channel: Doubtnut
Date: 28/01/2020

For the equation `ax^(2) +by^(2) + 2hxy + 2gx + 2fy + c =0` where `a ne 0`, to represent a circle, the condition will be