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2x-x-2-y-2-cot-x-dx-2y-dy-0-




Question Number 105734 by bemath last updated on 31/Jul/20
(2x+(x^2 +y^2 )cot x) dx +2y dy = 0
$$\left(\mathrm{2}{x}+\left({x}^{\mathrm{2}} +{y}^{\mathrm{2}} \right)\mathrm{cot}\:{x}\right)\:{dx}\:+\mathrm{2}{y}\:{dy}\:=\:\mathrm{0} \\ $$

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