Подробное решение
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Применим правило производной частного:
и .
Чтобы найти :
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Не могу найти шаги в поиске этой производной.
Но производная
Чтобы найти :
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Не могу найти шаги в поиске этой производной.
Но производная
Теперь применим правило производной деления:
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Теперь упростим:
Ответ:
2 2 / / 2 \ \ 2 2 2 / / 2 \ \
1 - x x - 1 | 3*\x - 1/*cos(3*x)| 2 - 2*x x - 1 x - 1 | 3*\x - 1/*sin(3*x)|
(cos(3*x)) *(sin(3*x)) *|2*x*log(sin(3*x)) + -------------------| - (cos(3*x)) *(cos(3*x)) *(sin(3*x)) *|2*x*log(cos(3*x)) - -------------------|
\ sin(3*x) / \ cos(3*x) /
$$- \left(2 x \log{\left(\cos{\left(3 x \right)} \right)} - \frac{3 \left(x^{2} - 1\right) \sin{\left(3 x \right)}}{\cos{\left(3 x \right)}}\right) \sin^{x^{2} - 1}{\left(3 x \right)} \cos^{- 2 x^{2} + 2}{\left(3 x \right)} \cos^{x^{2} - 1}{\left(3 x \right)} + \left(2 x \log{\left(\sin{\left(3 x \right)} \right)} + \frac{3 \left(x^{2} - 1\right) \cos{\left(3 x \right)}}{\sin{\left(3 x \right)}}\right) \sin^{x^{2} - 1}{\left(3 x \right)} \cos^{- x^{2} + 1}{\left(3 x \right)}$$
/ / 2 \ / 2 \ \
2 | 2 | / / 2\ \ 2 / 2\ | 2 2 | / / 2\ \ 2 / 2\ | 2 2 / / 2\ \ / / 2\ \|
-1 + x | 1 - x | | 3*\-1 + x /*cos(3*x)| 2 9*cos (3*x)*\-1 + x / 12*x*cos(3*x)| -1 + x 2 - 2*x | | 3*\-1 + x /*sin(3*x)| 2 9*sin (3*x)*\-1 + x / 12*x*sin(3*x)| -1 + x 2 - 2*x | 3*\-1 + x /*sin(3*x)| | 3*\-1 + x /*cos(3*x)||
(sin(3*x)) *|(cos(3*x)) *|9 + |2*x*log(sin(3*x)) + --------------------| - 9*x + 2*log(sin(3*x)) - --------------------- + -------------| + (cos(3*x)) *(cos(3*x)) *|-9 + |2*x*log(cos(3*x)) - --------------------| - 2*log(cos(3*x)) + 9*x + --------------------- + -------------| - 2*(cos(3*x)) *(cos(3*x)) *|2*x*log(cos(3*x)) - --------------------|*|2*x*log(sin(3*x)) + --------------------||
| | \ sin(3*x) / 2 sin(3*x) | | \ cos(3*x) / 2 cos(3*x) | \ cos(3*x) / \ sin(3*x) /|
\ \ sin (3*x) / \ cos (3*x) / /
$$\left(- 2 \cdot \left(2 x \log{\left(\sin{\left(3 x \right)} \right)} + \frac{3 \left(x^{2} - 1\right) \cos{\left(3 x \right)}}{\sin{\left(3 x \right)}}\right) \left(2 x \log{\left(\cos{\left(3 x \right)} \right)} - \frac{3 \left(x^{2} - 1\right) \sin{\left(3 x \right)}}{\cos{\left(3 x \right)}}\right) \cos^{- 2 x^{2} + 2}{\left(3 x \right)} \cos^{x^{2} - 1}{\left(3 x \right)} + \left(9 x^{2} + \left(2 x \log{\left(\cos{\left(3 x \right)} \right)} - \frac{3 \left(x^{2} - 1\right) \sin{\left(3 x \right)}}{\cos{\left(3 x \right)}}\right)^{2} + \frac{12 x \sin{\left(3 x \right)}}{\cos{\left(3 x \right)}} + \frac{9 \left(x^{2} - 1\right) \sin^{2}{\left(3 x \right)}}{\cos^{2}{\left(3 x \right)}} - 2 \log{\left(\cos{\left(3 x \right)} \right)} - 9\right) \cos^{- 2 x^{2} + 2}{\left(3 x \right)} \cos^{x^{2} - 1}{\left(3 x \right)} + \left(- 9 x^{2} + \left(2 x \log{\left(\sin{\left(3 x \right)} \right)} + \frac{3 \left(x^{2} - 1\right) \cos{\left(3 x \right)}}{\sin{\left(3 x \right)}}\right)^{2} + \frac{12 x \cos{\left(3 x \right)}}{\sin{\left(3 x \right)}} - \frac{9 \left(x^{2} - 1\right) \cos^{2}{\left(3 x \right)}}{\sin^{2}{\left(3 x \right)}} + 2 \log{\left(\sin{\left(3 x \right)} \right)} + 9\right) \cos^{- x^{2} + 1}{\left(3 x \right)}\right) \sin^{x^{2} - 1}{\left(3 x \right)}$$
/ / 3 \ / 3 \ / 2 \ / 2 \\
2 | 2 |/ / 2\ \ / / 2\ \ / 2 / 2\ \ 2 3 / 2\ / 2\ | 2 2 | / / 2\ \ / / 2\ \ / 2 / 2\ \ 2 / 2\ 3 / 2\| 2 2 / / 2\ \ | / / 2\ \ 2 / 2\ | 2 2 / / 2\ \ | / / 2\ \ 2 / 2\ ||
-1 + x | 1 - x || 3*\-1 + x /*cos(3*x)| | 3*\-1 + x /*cos(3*x)| | 2 9*cos (3*x)*\-1 + x / 12*x*cos(3*x)| 18*cos(3*x) 54*x*cos (3*x) 54*cos (3*x)*\-1 + x / 54*\-1 + x /*cos(3*x)| -1 + x 2 - 2*x | | 3*\-1 + x /*sin(3*x)| | 3*\-1 + x /*sin(3*x)| | 2 9*sin (3*x)*\-1 + x / 12*x*sin(3*x)| 18*sin(3*x) 54*x*sin (3*x) 54*\-1 + x /*sin(3*x) 54*sin (3*x)*\-1 + x /| -1 + x 2 - 2*x | 3*\-1 + x /*sin(3*x)| | | 3*\-1 + x /*cos(3*x)| 2 9*cos (3*x)*\-1 + x / 12*x*cos(3*x)| -1 + x 2 - 2*x | 3*\-1 + x /*cos(3*x)| | | 3*\-1 + x /*sin(3*x)| 2 9*sin (3*x)*\-1 + x / 12*x*sin(3*x)||
(sin(3*x)) *|(cos(3*x)) *||2*x*log(sin(3*x)) + --------------------| - 54*x + 3*|2*x*log(sin(3*x)) + --------------------|*|9 - 9*x + 2*log(sin(3*x)) - --------------------- + -------------| + ----------- - -------------- + ---------------------- + ---------------------| + (cos(3*x)) *(cos(3*x)) *|- |2*x*log(cos(3*x)) - --------------------| + 54*x - 3*|2*x*log(cos(3*x)) - --------------------|*|-9 - 2*log(cos(3*x)) + 9*x + --------------------- + -------------| + ----------- + -------------- + --------------------- + ----------------------| - 3*(cos(3*x)) *(cos(3*x)) *|2*x*log(cos(3*x)) - --------------------|*|9 + |2*x*log(sin(3*x)) + --------------------| - 9*x + 2*log(sin(3*x)) - --------------------- + -------------| + 3*(cos(3*x)) *(cos(3*x)) *|2*x*log(sin(3*x)) + --------------------|*|-9 + |2*x*log(cos(3*x)) - --------------------| - 2*log(cos(3*x)) + 9*x + --------------------- + -------------||
| |\ sin(3*x) / \ sin(3*x) / | 2 sin(3*x) | sin(3*x) 2 3 sin(3*x) | | \ cos(3*x) / \ cos(3*x) / | 2 cos(3*x) | cos(3*x) 2 cos(3*x) 3 | \ cos(3*x) / | \ sin(3*x) / 2 sin(3*x) | \ sin(3*x) / | \ cos(3*x) / 2 cos(3*x) ||
\ \ \ sin (3*x) / sin (3*x) sin (3*x) / \ \ cos (3*x) / cos (3*x) cos (3*x) / \ sin (3*x) / \ cos (3*x) //
$$\left(3 \cdot \left(2 x \log{\left(\sin{\left(3 x \right)} \right)} + \frac{3 \left(x^{2} - 1\right) \cos{\left(3 x \right)}}{\sin{\left(3 x \right)}}\right) \left(9 x^{2} + \left(2 x \log{\left(\cos{\left(3 x \right)} \right)} - \frac{3 \left(x^{2} - 1\right) \sin{\left(3 x \right)}}{\cos{\left(3 x \right)}}\right)^{2} + \frac{12 x \sin{\left(3 x \right)}}{\cos{\left(3 x \right)}} + \frac{9 \left(x^{2} - 1\right) \sin^{2}{\left(3 x \right)}}{\cos^{2}{\left(3 x \right)}} - 2 \log{\left(\cos{\left(3 x \right)} \right)} - 9\right) \cos^{- 2 x^{2} + 2}{\left(3 x \right)} \cos^{x^{2} - 1}{\left(3 x \right)} - 3 \cdot \left(2 x \log{\left(\cos{\left(3 x \right)} \right)} - \frac{3 \left(x^{2} - 1\right) \sin{\left(3 x \right)}}{\cos{\left(3 x \right)}}\right) \left(- 9 x^{2} + \left(2 x \log{\left(\sin{\left(3 x \right)} \right)} + \frac{3 \left(x^{2} - 1\right) \cos{\left(3 x \right)}}{\sin{\left(3 x \right)}}\right)^{2} + \frac{12 x \cos{\left(3 x \right)}}{\sin{\left(3 x \right)}} - \frac{9 \left(x^{2} - 1\right) \cos^{2}{\left(3 x \right)}}{\sin^{2}{\left(3 x \right)}} + 2 \log{\left(\sin{\left(3 x \right)} \right)} + 9\right) \cos^{- 2 x^{2} + 2}{\left(3 x \right)} \cos^{x^{2} - 1}{\left(3 x \right)} + \left(- \left(2 x \log{\left(\cos{\left(3 x \right)} \right)} - \frac{3 \left(x^{2} - 1\right) \sin{\left(3 x \right)}}{\cos{\left(3 x \right)}}\right)^{3} - 3 \cdot \left(2 x \log{\left(\cos{\left(3 x \right)} \right)} - \frac{3 \left(x^{2} - 1\right) \sin{\left(3 x \right)}}{\cos{\left(3 x \right)}}\right) \left(9 x^{2} + \frac{12 x \sin{\left(3 x \right)}}{\cos{\left(3 x \right)}} + \frac{9 \left(x^{2} - 1\right) \sin^{2}{\left(3 x \right)}}{\cos^{2}{\left(3 x \right)}} - 2 \log{\left(\cos{\left(3 x \right)} \right)} - 9\right) + \frac{54 x \sin^{2}{\left(3 x \right)}}{\cos^{2}{\left(3 x \right)}} + 54 x + \frac{54 \left(x^{2} - 1\right) \sin^{3}{\left(3 x \right)}}{\cos^{3}{\left(3 x \right)}} + \frac{54 \left(x^{2} - 1\right) \sin{\left(3 x \right)}}{\cos{\left(3 x \right)}} + \frac{18 \sin{\left(3 x \right)}}{\cos{\left(3 x \right)}}\right) \cos^{- 2 x^{2} + 2}{\left(3 x \right)} \cos^{x^{2} - 1}{\left(3 x \right)} + \left(\left(2 x \log{\left(\sin{\left(3 x \right)} \right)} + \frac{3 \left(x^{2} - 1\right) \cos{\left(3 x \right)}}{\sin{\left(3 x \right)}}\right)^{3} + 3 \cdot \left(2 x \log{\left(\sin{\left(3 x \right)} \right)} + \frac{3 \left(x^{2} - 1\right) \cos{\left(3 x \right)}}{\sin{\left(3 x \right)}}\right) \left(- 9 x^{2} + \frac{12 x \cos{\left(3 x \right)}}{\sin{\left(3 x \right)}} - \frac{9 \left(x^{2} - 1\right) \cos^{2}{\left(3 x \right)}}{\sin^{2}{\left(3 x \right)}} + 2 \log{\left(\sin{\left(3 x \right)} \right)} + 9\right) - 54 x - \frac{54 x \cos^{2}{\left(3 x \right)}}{\sin^{2}{\left(3 x \right)}} + \frac{54 \left(x^{2} - 1\right) \cos{\left(3 x \right)}}{\sin{\left(3 x \right)}} + \frac{54 \left(x^{2} - 1\right) \cos^{3}{\left(3 x \right)}}{\sin^{3}{\left(3 x \right)}} + \frac{18 \cos{\left(3 x \right)}}{\sin{\left(3 x \right)}}\right) \cos^{- x^{2} + 1}{\left(3 x \right)}\right) \sin^{x^{2} - 1}{\left(3 x \right)}$$