" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(x-2)^2+(y-3)^2= 5^2
x^2 -4x + 4 + y^2 - 6y + 9 = 25
x^2 + y^2 - 4x - 6y - 12 = 0