if-fof-x-f-x-x-and-f-1-1-find-fofofofofofofofofof-1-

Question Number 208370 by lmcp1203 last updated on 14/Jun/24

i f (f o f) (x) = f (x) + x a n d f (1) = 1

f i n d f o f o f o f o f o f o f o f o f o f (1)

Commented by A5T last updated on 14/Jun/24

f (f (x)) = f (x) + x \Rightarrow f (f (1)) = f (1) + 1

\Rightarrow f (1) = f (1) + 1 \Rightarrow 1 \overset{?}{=} 0

Commented by mr W last updated on 14/Jun/24

f (x) = 1 = c o n s t a n t ?

Commented by lmcp1203 last updated on 14/Jun/24

s o r r y . i t s f (1) = 1

Answered by MM42 last updated on 14/Jun/24

★

(f o f) (1) = f (f (1)) = f (1) = 1

\neq f (1) + 1 ?!!!

Commented by lmcp1203 last updated on 14/Jun/24

t h i s p r o b l e m i s w r o n g . t h a n k s

Answered by mathzup last updated on 14/Jun/24

o o o o o o f \dots .

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