1) Is ?
2) And if so, then ?
3) If 1 and 2 is true, then:
But if you actually square and , you'll find out that they are different:
Why is that?
Thank you guys.
I got which is the problem step was.
But what is the difference between and ?
I want to get some intuition: why it is different?
Because on the first glance they not that different: you can say they look basically the same.
So, let me get it straight:
What i got from this discussion - is that two numbers under one root - is not two numbers, but one.
Thank you, gentlemen.