(1.0 - 4.0*x^2/(1.0 + x^2)^2)^(-0.5)*(2.0/(1.0 + x^2) - 4.0*x^2/(1.0 + x^2)^2)
Рациональный знаменатель
[src] ___________________ ___________________ ___________________
2 / 2 / 2 / 2
/ 2\ / 4*x 2 / 4*x 4 / 4*x
- 2*\1 + x / * / 1 - ------------- + 4*x * / 1 - ------------- + 4*x * / 1 - -------------
/ 4 2 / 4 2 / 4 2
\/ 1 + x + 2*x \/ 1 + x + 2*x \/ 1 + x + 2*x
---------------------------------------------------------------------------------------------------------
3 / 2 \
/ 2\ | 4*x |
\1 + x / *|-1 + -------------|
| 4 2|
\ 1 + x + 2*x /
$$\frac{1}{\left(x^{2} + 1\right)^{3} \left(\frac{4 x^{2}}{x^{4} + 2 x^{2} + 1} - 1\right)} \left(4 x^{4} \sqrt{- \frac{4 x^{2}}{x^{4} + 2 x^{2} + 1} + 1} + 4 x^{2} \sqrt{- \frac{4 x^{2}}{x^{4} + 2 x^{2} + 1} + 1} - 2 \left(x^{2} + 1\right)^{2} \sqrt{- \frac{4 x^{2}}{x^{4} + 2 x^{2} + 1} + 1}\right)$$
Объединение рациональных выражений
[src] / 2\
2*\1 - x /
------------------------------------
__________________
/ 2
/ / 2\ 2 2
/ \1 + x / - 4*x / 2\
/ ---------------- *\1 + x /
/ 2
/ / 2\
\/ \1 + x /
$$\frac{- 2 x^{2} + 2}{\sqrt{\frac{1}{\left(x^{2} + 1\right)^{2}} \left(- 4 x^{2} + \left(x^{2} + 1\right)^{2}\right)} \left(x^{2} + 1\right)^{2}}$$
2
2 - 2*x
-------------------------------------
_______________
/ 4 2
/ 1 + x - 2*x / 4 2\
/ ------------- *\1 + x + 2*x /
/ 4 2
\/ 1 + x + 2*x
$$\frac{- 2 x^{2} + 2}{\sqrt{\frac{x^{4} - 2 x^{2} + 1}{x^{4} + 2 x^{2} + 1}} \left(x^{4} + 2 x^{2} + 1\right)}$$
/ 2\
-\-2 + 2*x /
-----------------------------------------------------------------------------------------
___________________ ___________________ ___________________
/ 2 / 2 / 2
/ 4*x 4 / 4*x 2 / 4*x
/ 1 - ------------- + x * / 1 - ------------- + 2*x * / 1 - -------------
/ 4 2 / 4 2 / 4 2
\/ 1 + x + 2*x \/ 1 + x + 2*x \/ 1 + x + 2*x
$$- \frac{2 x^{2} - 2}{x^{4} \sqrt{- \frac{4 x^{2}}{x^{4} + 2 x^{2} + 1} + 1} + 2 x^{2} \sqrt{- \frac{4 x^{2}}{x^{4} + 2 x^{2} + 1} + 1} + \sqrt{- \frac{4 x^{2}}{x^{4} + 2 x^{2} + 1} + 1}}$$
-2*(1 + x)*(-1 + x)
------------------------------------
____________________
/ 2 2 2
/ (1 + x) *(-1 + x) / 2\
/ ------------------ *\1 + x /
/ 4 2
\/ 1 + x + 2*x
$$- \frac{2 \left(x - 1\right) \left(x + 1\right)}{\sqrt{\frac{\left(x - 1\right)^{2} \left(x + 1\right)^{2}}{x^{4} + 2 x^{2} + 1}} \left(x^{2} + 1\right)^{2}}$$