Level:
Project ID:
2010000901
Source Problem:
Accepted:
0
Clonable:
1
Easy:
0
Assuming \(xy\neq 1\),
simplify the expression:
\[
\frac{ \frac{x+y}
{1-xy} -x}
{1 +\frac{x(x+y)}
{1-xy} }
\]
\( y\)
\(\frac{y(1+x^{2})}
{1-x^{2}} \)
\(\frac{y}
{1+x^{2}} \)
\( y(1+x^2)\)