Level:
Project ID:
2010000902
Source Problem:
Accepted:
0
Clonable:
1
Easy:
0
Assuming \(x\neq \pm y\)
and \(x\neq 0\),
simplify the expression:
\[
\left ( \frac{y}
{y-x} - \frac{2x}
{y+x} - \frac{y^{2}}
{y^{2} - x^{2}}\right ) : \left ( \frac{1}
{x + y} - \frac{y}
{y^{2} - x^{2}}\right )
\]
\( y-2x\)
\(2x-y\)
\(\frac{2x-y}
{x}\)
\( 0\)