The straight line `x/a+y/b=1` cuts the coordinate axes at `A` and `B` . Find the equation of the circle passing through `O(0,0),Aa n dBdot`

Explanation

A(a,0),B(0,b),O(0,0)

`x^2+y^2+2gx+2fy+c=0`

`0+0+0+0+c=0`

`c=0`

`x^2+y^2+2gx+2fy=0-(1)`

At A(a,0)

`a^2+0+2ga+0=0`

`g=-a^2/(2a)=-a/2`

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