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Mathematics, 29.06.2019 22:30 KMyers

Simpify\frac{x^{-1}+y^-1 }{x^{-1} .y-x. y^{-1} }

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Simpify[tex]\frac{x^{-1}+y^-1 }{x^{-1} .y-x. y^{-1} }[/tex]...
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