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x^2+y^2-10y+9=0
Prosze o dokladne rozwiazanie
x²+y²-10y+9=0
x²+y²-10y+25=9+25
x²+(y-5)²=34
S=(0,5)
r=√34
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x²+y²-10y+9=0
x²+y²-10y+25=9+25
x²+(y-5)²=34
S=(0,5)
r=√34