2010000901 | math4u.vsb.cz

SubArea:

Polynomials and fractions

Level:

Project ID:

2010000901

Source Problem:

Accepted:

0

Clonable:

1

Easy:

0

Assuming

x y \neq 1

, simplify the expression:

\frac{\frac{x + y}{1 - x y} - x}{1 + \frac{x (x + y)}{1 - x y}}

y

\frac{y (1 + x^{2})}{1 - x^{2}}

\frac{y}{1 + x^{2}}

y (1 + x^{2})