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Let f(x+p)=1+{2-3f(x)+3(f(x))^2-(f(x)^3}...

Let f(x+p)=1+{2-3f(x)+3(f(x))^2-(f(x)^3}^(1//3), for all x in R ` where ` p>0`, then prove f(x) is periodic.

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f(x) is periodic with period 2p
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PATHFINDER-FUNCTION-QUESTION BANK
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