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o2:x² + y² + 6x + 4 = 0
o2:(x+3)²+y²=5, S(-3,0), r=√5
k-skala jednokladnosci
R=|k|r
2√5=|k|√5
|k|=2
k=2, nie spelnia warunkow zadania ∨ k=-2
czyli k=-2
Niech O bedzie srodkiem jednokladnosci.
O(a,b)
S'O=kSO
S'O=[a-6,b-3]
SO=[a+3,b]
-2SO=[-2a-6,-2b]
a-6=-2a-6
b-3=-2b
a=0
b=1
O(0,1)