# Math Help - arcten2+arctan3

1. ## arcten2+arctan3

Dear all!
Please, how do I get that for x>1 all $arctan\frac{x+1}{x-1}+arctan(x)=arctan2 + arctan3$

Many thanks!

2. ## Re: arcten2+arctan3

Originally Posted by Boo
Dear all!
Please, how do I get that for x>1 all $arctan\{x+1}{x-1}=arctan2 + arctan3$

Many thanks!
Again, more clarification. x + 1x -1 = 2x - 1. Possibly x^2 + x - 1?

Please edit these before you post!

-Dan