f-f-x-1-1-x-2-f-x-

Question Number 171612 by mathlove last updated on 18/Jun/22

f (f (x)) = \frac{1}{1 + x^{2}} f (x) = ?

Commented by mr W last updated on 19/Jun/22

i {d o n}^{'} t t h i n k s u c h a f u n c t i o n e q u a t i o n

i s s o l v a b l e . i f y o u h a v e a s o l u t i o n,

p l e a s e s h a r e!

Commented by mathlove last updated on 19/Jun/22

i h a v d d i f r e n t i n t h i s q u s t i o n

Commented by mr W last updated on 19/Jun/22

w h a t d o y o u m e a n ?

Commented by mathlove last updated on 19/Jun/22

i h a v e a h a r d t i m e

a n s w e r i n g t h i s q u e s t i o n