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B(-2;-3)
(x-x₀)²+(y-y₀)²=r²
x₀=(-4-2):2=-3
y₀=(5-3):2=1
r, czyli ½AB=
2r= pierwiastek z :(-2+4)²+(-3-5)²=√68=2√17
r=√17
r²=17
równanie okregu:
(x+3)²+(y-1)²=17
y0=(5-3):2=1
2r= pierwiastek z :(-2+4)²+(-3-5)²=pierwiastek(68)=2pierwiastek(17)
r=pierwiastek(17)
r²=17
rownanie okregu:
(x+3)²+(y-1)²=17