(x - 1)² + (y - 4)² = 4
y = -x + 5
(x - 1 )² = x² + 2x - 1=0
(y - 4)² = y² + 8y + 16 = 5
x² + 2x - 1 + y² + 8y + 16 = 5
delta = 2 sqrt (2) lub delata = 0;
x1= (-2 - 2 sqrt (2))/2 lub (-2 + 2 sqrt (2))/ 2
y1 = - 4
Odp:
x1= (-2 - 2 sqrt (2))/2 lub (-2 + 2 sqrt (2))/ 2
y1 = - 4