Question

If f(x) =arctanx-arctan(x-1)/(x+1) , prove f(x) is constant on x>-1 and sketch f(x) on the domain.

Answer 1

Post this in the math section, more people can help you there :)

Answer 2

oh sorry i posted it here and didn't notice the section lol , it supposed to be in the math section , how can i delete it ?

Answer 3

Just close the question! It should be near the upper left corner, where you would normally ask a question. This website is confusing at first haha

Answer 4

i know how to close the question , thanx anyway :)