What is the radius of a circle with the equation x^2+y^2+2x+4y-9=0?
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Hi Mate!!
( x + 1 ) ² + ( y +2 ) ² = 9 + 1 + 4
Radius of circle = √ 14
( x + 1 ) ² + ( y +2 ) ² = 9 + 1 + 4
Radius of circle = √ 14
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