Рациональный знаменатель
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3/2 ________
___ / 2\ ___ 2 / 2
\/ 2 *\1 + x / - \/ 2 *x *\/ 1 + x
----------------------------------------
/ 2\ / 2\
\1 + x /*\1 + 3*x /
$$\frac{- \sqrt{2} x^{2} \sqrt{x^{2} + 1} + \sqrt{2} \left(x^{2} + 1\right)^{\frac{3}{2}}}{\left(x^{2} + 1\right) \left(3 x^{2} + 1\right)}$$
___ ___ 2
\/ 2 \/ 2 *x
------------------------- - ------------------------------
________ 2 3/2 ________
/ 2 2*x / 2\ 2 / 2
\/ 1 + x + ----------- \1 + x / + 2*x *\/ 1 + x
________
/ 2
\/ 1 + x
$$- \frac{\sqrt{2} x^{2}}{2 x^{2} \sqrt{x^{2} + 1} + \left(x^{2} + 1\right)^{\frac{3}{2}}} + \frac{\sqrt{2}}{\frac{2 x^{2}}{\sqrt{x^{2} + 1}} + \sqrt{x^{2} + 1}}$$
sqrt(2)/(sqrt(1 + x^2) + 2*x^2/sqrt(1 + x^2)) - sqrt(2)*x^2/((1 + x^2)^(3/2) + 2*x^2*sqrt(1 + x^2))
Объединение рациональных выражений
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___
\/ 2
----------------------
________
/ 2 / 2\
\/ 1 + x *\1 + 3*x /
$$\frac{\sqrt{2}}{\sqrt{x^{2} + 1} \cdot \left(3 x^{2} + 1\right)}$$
sqrt(2)/(sqrt(1 + x^2)*(1 + 3*x^2))
___
\/ 2
------------------------------
________ ________
/ 2 2 / 2
\/ 1 + x + 3*x *\/ 1 + x
$$\frac{\sqrt{2}}{3 x^{2} \sqrt{x^{2} + 1} + \sqrt{x^{2} + 1}}$$
sqrt(2)/(sqrt(1 + x^2) + 3*x^2*sqrt(1 + x^2))