回答編集履歴
1
修正
test
CHANGED
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@@ -21,3 +21,7 @@
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21
21
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print(res.evalf()) # 1.50478609907259
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22
22
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23
23
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```
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+
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27
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+
[integrate sin(x)*tanh(x), -20 <= x <= 21 - Wolfram|Alpha](https://www.wolframalpha.com/input/?i=integrate+sin%28x%29*tanh%28x%29%2C+-20+%3C%3D+x+%3C%3D+21&lang=ja)
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