let be real numbers
I tried to write this what i get
it is clear that the series diverge my questions are is my work correct, dose this series has a name ??, and what is the <br/> in my latex the last code I copied it from online latex equation editor
Apparently every new line in a TEX expression is converted into a HTML line break.
This is not supposed to be the way it works.
The only way I see around it, is not to use line breaks.
So either a giant one liner, or separate TEX lines.
(Or otherwise an admin should fix the TEX engine.)