Level:
Project ID:
9000083601
Accepted:
1
Clonable:
0
Easy:
1
Find the conditions on \(x\)
under which the expression
\[
\frac{\frac{x-y}
{x+y} -\frac{x+y}
{x-y}}
{ \frac{xy}
{x^{2}-y^{2}} }
\]
is well-defined.
\(x\neq 0,\; y\neq 0,\; x\neq \pm y\)
\(x\neq - y\)
\(x\neq \pm y\)
\(x\neq 0,\; y\neq 0\)