Question

ax2 bxy+3y2 5x+2y-3 = 0 represents a circle find a,b?

Answer 1

Answer:

if an eqn represents a circle , then the condition s are as gollows:

2h=0,a-b=0

so,given eqn is in the form ax²+2hxy+by²+2fx+2fy+c=0

a=b=3

2h=0

b=0