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  1. Calculus Help: Integral ∫ 1/(x^3+x) dx - Integration by trigonometric substitution

    Calculus Help: Integral ∫ 1/(x^3+x) dx - Integration by trigonometric substitution

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  2. Calculus Help: ∫ dx/(x^2 √(a^2-x^2 )) - Integration by trigonometric substitution

    Calculus Help: ∫ dx/(x^2 √(a^2-x^2 )) - Integration by trigonometric substitution

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  3. Calculus Help: Integral of ∫ dx/√(25-x^2 ) - Integration by trigonometric substitution

    Calculus Help: Integral of ∫ dx/√(25-x^2 ) - Integration by trigonometric substitution

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  4. Calculus Help: Integral ∫ cos^2 ⁡x dx and ∫ sin^2 ⁡x dx - Integration by Trigonometric identities

    Calculus Help: Integral ∫ cos^2 ⁡x dx and ∫ sin^2 ⁡x dx - Integration by Trigonometric identities

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  5. Calculus Help: Integral ∫ x/√(36-x^2 ) dx - Integration by trigonometric substitution - 三角関数での置換

    Calculus Help: Integral ∫ x/√(36-x^2 ) dx - Integration by trigonometric substitution - 三角関数での置換

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  6. Calculus Help: Integral ∫ √(1-x^2 )/x^4 dx - Integration by trigonometric substitution

    Calculus Help: Integral ∫ √(1-x^2 )/x^4 dx - Integration by trigonometric substitution

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  7. Calculus Help: ∫ √(16-9x^2 ) dx - Integration by trigonometric substitution

    Calculus Help: ∫ √(16-9x^2 ) dx - Integration by trigonometric substitution

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