2010000814

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Project ID: 
2010000814
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0
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1
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Za predpokladu, že \(x\neq 0\), \(y\neq 0\), \(y\neq \pm 1\), zjednodušte výraz: \[\left [\left ( \frac{y-1} {y}\right )^{2} : \left (\frac{x} {y+1} \right )^{2}\right ] : \frac{2(y^2-1)} {xy}\]
\(\frac{y^2-1} {2xy}\)
\( 2\)
\(\frac{y^2-1} {2}\)
\(\frac{y-1} {2}\)