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




Question Number 129343 by Study last updated on 15/Jan/21
f(x+1)=f(x−1)=x^2         f^(−1) (x)=??
$${f}\left({x}+\mathrm{1}\right)={f}\left({x}−\mathrm{1}\right)={x}^{\mathrm{2}} \:\:\:\:\:\:\:\:{f}^{−\mathrm{1}} \left({x}\right)=?? \\ $$
Commented by bramlexs22 last updated on 15/Jan/21
f(x+1)+f(x−1)=x^2  ?
$$\mathrm{f}\left(\mathrm{x}+\mathrm{1}\right)+\mathrm{f}\left(\mathrm{x}−\mathrm{1}\right)=\mathrm{x}^{\mathrm{2}} \:? \\ $$

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