Dgbcool
Dgbcool
13-07-2017
Mathematics
contestada
What is the simplified form of ?
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Banabanana
Banabanana
13-07-2017
[tex] \cfrac{ \frac{1}{x}- \frac{1}{y} }{ \frac{1}{x} + \frac{1}{y} } = \cfrac{ \frac{y-x}{xy}}{ \frac{y+x}{xy}} = \cfrac{y-x}{xy} * \cfrac{xy}{y+x}= \cfrac{y-x}{y+x} [/tex]
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