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Question Number 131734 by LYKA last updated on 07/Feb/21

$$\mathit{g}\mathit{i}\mathit{v}\mathit{e}\mathit{n}\mathit{t}\mathit{h}\mathit{e}\mathit{f}\mathit{u}\mathit{n}\mathit{c}\mathit{t}\mathit{i}\mathit{o}\mathit{n}$$$$\mathit{f}(\mathit{x}.\mathit{y})=\mathit{x}\mathit{y}(\mathit{x}-1)(\mathit{y}-1)$$$$\mathit{s}\mathit{h}\mathit{o}\mathit{w}\mathit{t}\mathit{h}\mathit{a}\mathit{t}\mathit{f}(\mathit{x}.\mathit{y})\mathit{h}\mathit{a}\mathit{s}\mathit{s}\mathit{o}\mathit{m}\mathit{e}(0,1)$$$$\mathit{a}\mathit{s}\mathit{a}\mathit{s}\mathit{t}\mathit{a}\mathit{t}\mathit{i}\mathit{o}\mathit{n}\mathit{e}\mathit{r}\mathit{y}\mathit{p}\mathit{o}\mathit{i}\mathit{n}\mathit{t}$$$$$$$$\mathit{u}\mathit{s}\mathit{e}\mathit{t}\mathit{y}\mathit{l}\mathit{o}\mathit{r}\mathit{s}\mathit{e}\mathit{r}\mathit{i}\mathit{e}\mathit{s}\mathit{m}\mathit{e}\mathit{t}\mathit{h}\mathit{o}\mathit{d}\mathit{t}\mathit{o}$$$$\mathit{d}\mathit{e}\mathit{t}\mathit{e}\mathit{r}\mathit{m}\mathit{i}\mathit{n}\mathit{e}\mathit{w}\mathit{h}\mathit{e}\mathit{t}\mathit{h}\mathit{e}\mathit{r}(0.1)\mathit{i}\mathit{s}\mathit{a}$$$$\mathit{m}\mathit{i}\mathit{n}\mathit{i}\mathit{m}\mathit{a},\mathit{m}\mathit{a}\mathit{x}\mathit{i}\mathit{m}\mathit{a}\mathit{o}\mathit{r}\mathit{s}\mathit{a}\mathit{d}\mathit{d}\mathit{l}\mathit{e}$$$$\mathit{p}\mathit{o}\mathit{i}\mathit{n}\mathit{t}$$

Answered by guyyy last updated on 11/Feb/21

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