I was given this problem last week as a homework.I tried to work it but with avail:

find the eguation of the circle tangent to the two lines x-3y=-9 and

3x+y-3=0.thanks for the help I will get

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- August 19th 2009, 07:44 AMkhotsoequation of circle
I was given this problem last week as a homework.I tried to work it but with avail:

find the eguation of the circle tangent to the two lines x-3y=-9 and

3x+y-3=0.thanks for the help I will get - August 19th 2009, 10:03 AMred_dog

Let be the center of the circle. Then

1)

Then

and the equation is

2)

Then

and the equation is