Level:
Project ID:
2010000814
Source Problem:
Accepted:
0
Clonable:
1
Easy:
0
Assuming \(x\neq 0\), \(y\neq 0\), \(y\neq \pm 1\), simplify the expression:
\[\left [\left ( \frac{y-1} {y}\right )^{2} : \left (\frac{x} {y+1} \right )^{2}\right ] : \frac{2(y^2-1)} {xy}\]
\(\frac{y^2-1}
{2xy}\)
\( 2\)
\(\frac{y^2-1}
{2}\)
\(\frac{y-1}
{2}\)