find centre and radius of the circle x²+y²-4x-8y-45=0
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Heya
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Co- ordinate of Centre of circle is ( 4/2 , 8/2 )
= ( 2 , 4 )
And it's radius is
√{ 2² + 4² + 45 } = √(58)
_______________________________
Co- ordinate of Centre of circle is ( 4/2 , 8/2 )
= ( 2 , 4 )
And it's radius is
√{ 2² + 4² + 45 } = √(58)
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