ｘ軸周りに一回転すると回転体の体積はどうなりますか？お願いします！ - Clearnote

Mathematics

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over 9 yearsago

ｘ軸周りに一回転すると回転体の体積はどうなりますか？お願いします！
数Ⅲです！

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over 9 yearsago

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over 9 yearsago

x軸に垂直な断面を考えてみてください。
その断面の面積を積分すれば答えになります。

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