Question

[tex]\frac{1}{1+x} - \frac{x+1}{1-x}²

Answer 1

Answer:

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