Hello my name is Andrey and i have a problem thats atached down with the methods i used to solve it .The problem seem simple but i tryed doing it in 2 methods of resolving and the results were similar but not identical so i just want to know If i just made a mistake somewhere or maybe a method wasant right to be used in my problem.Ty for your time hope You can help me.
Here is the problem in case the image atached don't work:https://ibb.co/jbQtsdz
Here is the problem in case the image atached don't work:https://ibb.co/jbQtsdz