prove that x^-1/x^-1+y^-1 - x^-1/x^-1 -y^-1= 2y^2 / y^2-x^2
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BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST
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