1 x + 3
----- - --------
x - 3 2
(x - 3)
----------------
2
(x + 3)
1 + --------
2
(x - 3) $$\frac{\frac{1}{x - 3} - \frac{x + 3}{\left(x - 3\right)^{2}}}{1 + \frac{\left(x + 3\right)^{2}}{\left(x - 3\right)^{2}}}$$
/ / 3 + x \ \
| |1 - ------|*(3 + x) |
/ 3 + x \ | \ -3 + x/ |
-2*|1 - ------|*|1 + ------------------------|
\ -3 + x/ | / 2\ |
| | (3 + x) | |
| |1 + ---------|*(-3 + x)|
| | 2| |
\ \ (-3 + x) / /
----------------------------------------------
/ 2\
| (3 + x) | 2
|1 + ---------|*(-3 + x)
| 2|
\ (-3 + x) / $$- \frac{2}{\left(1 + \frac{\left(x + 3\right)^{2}}{\left(x - 3\right)^{2}}\right) \left(x - 3\right)^{2}} \left(1 - \frac{x + 3}{x - 3}\right) \left(1 + \frac{\left(1 - \frac{x + 3}{x - 3}\right) \left(x + 3\right)}{\left(1 + \frac{\left(x + 3\right)^{2}}{\left(x - 3\right)^{2}}\right) \left(x - 3\right)}\right)$$
/ 2 \
| 4*(3 + x) 3*(3 + x) 2 |
| 1 - --------- + ---------- / 3 + x \ / 3 + x \ 2 |
| -3 + x 2 4*|1 - ------|*(3 + x) 4*|1 - ------| *(3 + x) |
/ 3 + x \ | (-3 + x) \ -3 + x/ \ -3 + x/ |
2*|1 - ------|*|3 - -------------------------- + ------------------------ + --------------------------|
\ -3 + x/ | 2 / 2\ 2 |
| (3 + x) | (3 + x) | / 2\ |
| 1 + --------- |1 + ---------|*(-3 + x) | (3 + x) | 2|
| 2 | 2| |1 + ---------| *(-3 + x) |
| (-3 + x) \ (-3 + x) / | 2| |
\ \ (-3 + x) / /
-------------------------------------------------------------------------------------------------------
/ 2\
| (3 + x) | 3
|1 + ---------|*(-3 + x)
| 2|
\ (-3 + x) / $$\frac{2}{\left(1 + \frac{\left(x + 3\right)^{2}}{\left(x - 3\right)^{2}}\right) \left(x - 3\right)^{3}} \left(1 - \frac{x + 3}{x - 3}\right) \left(3 + \frac{4 \left(1 - \frac{x + 3}{x - 3}\right) \left(x + 3\right)}{\left(1 + \frac{\left(x + 3\right)^{2}}{\left(x - 3\right)^{2}}\right) \left(x - 3\right)} - \frac{1}{1 + \frac{\left(x + 3\right)^{2}}{\left(x - 3\right)^{2}}} \left(1 - \frac{4 x + 12}{x - 3} + \frac{3 \left(x + 3\right)^{2}}{\left(x - 3\right)^{2}}\right) + \frac{4 \left(1 - \frac{x + 3}{x - 3}\right)^{2} \left(x + 3\right)^{2}}{\left(1 + \frac{\left(x + 3\right)^{2}}{\left(x - 3\right)^{2}}\right)^{2} \left(x - 3\right)^{2}}\right)$$