Интеграл sin(x)*sqrt(x) d{x}
Решение
Ответ (Неопределённый)
[src]
/ ___ ___\
___ ____ |\/ 2 *\/ x |
/ 5*\/ 2 *\/ pi *C|-----------|*Gamma(5/4)
| ___ | ____ |
| ___ 5*\/ x *cos(x)*Gamma(5/4) \ \/ pi /
| sin(x)*\/ x dx = C - ------------------------- + ----------------------------------------
| 4*Gamma(9/4) 8*Gamma(9/4)
/
$$-{{16\,\sqrt{x}\,\cos x+\sqrt{\pi}\,\left(\left(\sqrt{2}\,i-\sqrt{2
}\right)\,\mathrm{erf}\left({{\left(\sqrt{2}\,i+\sqrt{2}\right)\,
\sqrt{x}}\over{2}}\right)+\left(\sqrt{2}\,i+\sqrt{2}\right)\,
\mathrm{erf}\left({{\left(\sqrt{2}\,i-\sqrt{2}\right)\,\sqrt{x}
}\over{2}}\right)+\left(-\sqrt{2}\,i-\sqrt{2}\right)\,\mathrm{erf}
\left(\sqrt{-i}\,\sqrt{x}\right)+\left(\sqrt{2}\,i-\sqrt{2}\right)\,
\mathrm{erf}\left(\left(-1\right)^{{{1}\over{4}}}\,\sqrt{x}\right)
\right)}\over{16}}$$
/ ___ \
___ ____ |\/ 2 |
5*\/ 2 *\/ pi *C|------|*Gamma(5/4)
| ____|
5*cos(1)*Gamma(5/4) \\/ pi /
- ------------------- + -----------------------------------
4*Gamma(9/4) 8*Gamma(9/4)
$$-{{\sqrt{\pi}\,\left(\left(\sqrt{2}\,i-\sqrt{2}\right)\,
\mathrm{erf}\left({{\sqrt{2}\,i+\sqrt{2}}\over{2}}\right)+\left(
\sqrt{2}\,i+\sqrt{2}\right)\,\mathrm{erf}\left({{\sqrt{2}\,i-\sqrt{2
}}\over{2}}\right)+\left(-\sqrt{2}\,i-\sqrt{2}\right)\,\mathrm{erf}
\left(\sqrt{-i}\right)+\left(\sqrt{2}\,i-\sqrt{2}\right)\,
\mathrm{erf}\left(\left(-1\right)^{{{1}\over{4}}}\right)\right)+16\,
\cos 1}\over{16}}$$
=
/ ___ \
___ ____ |\/ 2 |
5*\/ 2 *\/ pi *C|------|*Gamma(5/4)
| ____|
5*cos(1)*Gamma(5/4) \\/ pi /
- ------------------- + -----------------------------------
4*Gamma(9/4) 8*Gamma(9/4)
$$- \frac{5 \cos{\left(1 \right)} \Gamma\left(\frac{5}{4}\right)}{4 \Gamma\left(\frac{9}{4}\right)} + \frac{5 \sqrt{2} \sqrt{\pi} C\left(\frac{\sqrt{2}}{\sqrt{\pi}}\right) \Gamma\left(\frac{5}{4}\right)}{8 \Gamma\left(\frac{9}{4}\right)}$$
Данные примеры также можно применять при вводе верхнего и нижнего предела интегрирования.