/ 2\
2*x 2*x*\1 - x /
- ------ - ------------
2 2
1 + x / 2\
\1 + x /
-----------------------
_______________
/ 2
/ / 2\
/ \1 - x /
/ 1 - ---------
/ 2
/ / 2\
\/ \1 + x /
$$\frac{- \frac{2 x \left(- x^{2} + 1\right)}{\left(x^{2} + 1\right)^{2}} - \frac{2 x}{x^{2} + 1}}{\sqrt{- \frac{\left(- x^{2} + 1\right)^{2}}{\left(x^{2} + 1\right)^{2}} + 1}}$$
(1.0 - (1.0 - x^2)^2/(1.0 + x^2)^2)^(-0.5)*(-2.0*x/(1.0 + x^2) - 2.0*x*(1.0 - x^2)/(1.0 + x^2)^2)
Рациональный знаменатель
[src] ___________________________________________________ ___________________________________________________ ___________________________________________________
/ 4 2 / 4 2 2 / 4 2
5 / 1 x 2*x / 1 x 2*x / 2\ / 1 x 2*x
- 2*x * / 1 - ------------- - ------------- + ------------- + 2*x* / 1 - ------------- - ------------- + ------------- + 2*x*\1 + x / * / 1 - ------------- - ------------- + -------------
/ 4 2 4 2 4 2 / 4 2 4 2 4 2 / 4 2 4 2 4 2
\/ 1 + x + 2*x 1 + x + 2*x 1 + x + 2*x \/ 1 + x + 2*x 1 + x + 2*x 1 + x + 2*x \/ 1 + x + 2*x 1 + x + 2*x 1 + x + 2*x
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
3 / 4 2 \
/ 2\ | 1 x 2*x |
\1 + x / *|-1 + ------------- + ------------- - -------------|
| 4 2 4 2 4 2|
\ 1 + x + 2*x 1 + x + 2*x 1 + x + 2*x /
$$\frac{1}{\left(x^{2} + 1\right)^{3} \left(\frac{x^{4}}{x^{4} + 2 x^{2} + 1} - \frac{2 x^{2}}{x^{4} + 2 x^{2} + 1} - 1 + \frac{1}{x^{4} + 2 x^{2} + 1}\right)} \left(- 2 x^{5} \sqrt{- \frac{x^{4}}{x^{4} + 2 x^{2} + 1} + \frac{2 x^{2}}{x^{4} + 2 x^{2} + 1} + 1 - \frac{1}{x^{4} + 2 x^{2} + 1}} + 2 x \left(x^{2} + 1\right)^{2} \sqrt{- \frac{x^{4}}{x^{4} + 2 x^{2} + 1} + \frac{2 x^{2}}{x^{4} + 2 x^{2} + 1} + 1 - \frac{1}{x^{4} + 2 x^{2} + 1}} + 2 x \sqrt{- \frac{x^{4}}{x^{4} + 2 x^{2} + 1} + \frac{2 x^{2}}{x^{4} + 2 x^{2} + 1} + 1 - \frac{1}{x^{4} + 2 x^{2} + 1}}\right)$$
Объединение рациональных выражений
[src] -4*x
-----------------------------------------
_______________________
/ 2 2
/ / 2\ / 2\ 2
/ \1 + x / - \1 - x / / 2\
/ --------------------- *\1 + x /
/ 2
/ / 2\
\/ \1 + x /
$$- \frac{4 x}{\sqrt{\frac{1}{\left(x^{2} + 1\right)^{2}} \left(- \left(- x^{2} + 1\right)^{2} + \left(x^{2} + 1\right)^{2}\right)} \left(x^{2} + 1\right)^{2}}$$
-2*x
-------------------------------------
_______________
/ 2
/ x / 4 2\
/ ------------- *\1 + x + 2*x /
/ 4 2
\/ 1 + x + 2*x
$$- \frac{2 x}{\sqrt{\frac{x^{2}}{x^{4} + 2 x^{2} + 1}} \left(x^{4} + 2 x^{2} + 1\right)}$$
-2*x
-------------------------------
_______________
/ 2 2
/ x / 2\
/ ------------- *\1 + x /
/ 4 2
\/ 1 + x + 2*x
$$- \frac{2 x}{\sqrt{\frac{x^{2}}{x^{4} + 2 x^{2} + 1}} \left(x^{2} + 1\right)^{2}}$$
-4*x
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
___________________________________________________ ___________________________________________________ ___________________________________________________
/ 4 2 / 4 2 / 4 2
/ 1 x 2*x 4 / 1 x 2*x 2 / 1 x 2*x
/ 1 - ------------- - ------------- + ------------- + x * / 1 - ------------- - ------------- + ------------- + 2*x * / 1 - ------------- - ------------- + -------------
/ 4 2 4 2 4 2 / 4 2 4 2 4 2 / 4 2 4 2 4 2
\/ 1 + x + 2*x 1 + x + 2*x 1 + x + 2*x \/ 1 + x + 2*x 1 + x + 2*x 1 + x + 2*x \/ 1 + x + 2*x 1 + x + 2*x 1 + x + 2*x
$$- \frac{4 x}{x^{4} \sqrt{- \frac{x^{4}}{x^{4} + 2 x^{2} + 1} + \frac{2 x^{2}}{x^{4} + 2 x^{2} + 1} + 1 - \frac{1}{x^{4} + 2 x^{2} + 1}} + 2 x^{2} \sqrt{- \frac{x^{4}}{x^{4} + 2 x^{2} + 1} + \frac{2 x^{2}}{x^{4} + 2 x^{2} + 1} + 1 - \frac{1}{x^{4} + 2 x^{2} + 1}} + \sqrt{- \frac{x^{4}}{x^{4} + 2 x^{2} + 1} + \frac{2 x^{2}}{x^{4} + 2 x^{2} + 1} + 1 - \frac{1}{x^{4} + 2 x^{2} + 1}}}$$