1/(x^2+a^2) の積分

Class 12th – Integral of 1/a^2 - x^2 | Integrals | Tutorials Point

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1/(a^2+x^2) の積分 (代入)

第 12 回 – 1/x^2 - a^2 の積分 |積分 |チュートリアルのポイント

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