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Question Number 103597 by jimi last updated on 16/Jul/20

$$\mathit{p}\mathit{l}\mathit{s}\mathit{h}\mathit{e}\mathit{l}\mathit{p}\mathit{s}\mathit{o}\mathit{l}\mathit{v}\mathit{e}\mathit{t}\mathit{h}\mathit{i}\mathit{s}\mathit{d}\mathit{i}\mathit{f}\mathit{f}\mathit{e}\mathit{r}\mathit{e}\mathit{n}\mathit{t}\mathit{i}\mathit{a}\mathit{l}\mathit{e}\mathit{q}\mathit{u}\mathit{a}\mathit{t}\mathit{i}\mathit{o}\mathit{n}$$$$(3{\mathit{x}}^2\sin \left(\frac{1}{\mathit{x}}\right)+\mathit{y})\mathit{d}\mathit{x}=\mathit{x}\mathit{c}\mathit{o}\mathit{s}\left(\frac{1}{\mathit{x}}\right)-\mathit{x}\mathit{d}\mathit{y}$$

Commented by OlafThorendsen last updated on 16/Jul/20

$$\mathrm{something}\mathrm{is}\mathrm{missing}\mathrm{after}x\cos \frac{1}{x}?$$

Commented by abdomathmax last updated on 16/Jul/20

$$\mathrm{perhaps}\mathrm{the}\mathrm{equation}\mathrm{is}$$$$({3\mathrm{x}}^2\sin \left(\frac{1}{\mathrm{x}}\right)+\mathrm{y})\mathrm{dx}=(\mathrm{xcos}\left(\frac{1}{\mathrm{x}}\right)-\mathrm{x})\mathrm{dy}$$

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