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F(F inverse (x)) = x watch

1. Is there a way to think of this intuitively?
2. (Original post by Bilbao)
Is there a way to think of this intuitively?
Definitely.

You start with , you do some reverse action to it so you get , then do the forward action , you end up where you started which is .
3. What isn't intuitive about the inverse of f(x) followed by f(x) gives x? Surely it's just the same as division and multiplication. 2*(1/2)*1=1 (1/2)*2*1=1
4. (Original post by Amullai)
What isn't intuitive about the inverse of f(x) followed by f(x) gives x? Surely it's just the same as division and multiplication. 2*(1/2)*1=1 (1/2)*2*1=1
Yes if you look it that way it is.

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