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  1. calculus - Evaluate an integral involving a series and product in the ...

    Feb 6, 2026 · Evaluate an integral involving a series and product in the denominator Ask Question Asked 26 days ago Modified 26 days ago

  2. integration - How to evaluate this improper double integral ...

    Feb 15, 2026 · 4 I try calculate this integral. Probably, I can change the of integrals and first try the integral over $\theta$, but the problem is that an improper integral follows...

  3. What is an integral? - Mathematics Stack Exchange

    Dec 15, 2017 · A different type of integral, if you want to call it an integral, is a "path integral". These are actually defined by a "normal" integral (such as a Riemann integral), but path integrals do not seek to …

  4. Can the integral closure of a ring be taken intrinsically?

    Oct 11, 2025 · However, one "intrinsic integral closure" that is often used is the normalization, which in the case on an integral domain is the integral closure in its field of fractions. It's the maximal integral …

  5. Absolute value of an integral - Mathematics Stack Exchange

    Feb 18, 2022 · Being an integral of a continuous function, this implies that $\|\mathbf {f} (x)\|$ is identically zero. Then the same is true for $\mathbf {f} (x)$, and so, any unit vector $\mathbf {u}$ will …

  6. solving the integral of $e^ {x^2}$ - Mathematics Stack Exchange

    The integral which you describe has no closed form which is to say that it cannot be expressed in elementary functions. For example, you can express $\int x^2 \mathrm {d}x$ in elementary functions …

  7. What is the integral of 0? - Mathematics Stack Exchange

    Feb 4, 2018 · The integral of 0 is C, because the derivative of C is zero. Also, it makes sense logically if you recall the fact that the derivative of the function is the function's slope, because any function f …

  8. How to calculate the integral in normal distribution?

    If by integral you mean the cumulative distribution function $\Phi (x)$ mentioned in the comments by the OP, then your assertion is incorrect.

  9. calculus - Is there really no way to integrate $e^ {-x^2 ...

    @user599310, I am going to attempt some pseudo math to show it: $$ I^2 = \int e^-x^2 dx \times \int e^-x^2 dx = Area \times Area = Area^2$$ We can replace one x, with a dummy variable, move the …

  10. integration - Trigonometric integral with exponential - Mathematics ...

    Nov 17, 2024 · Trigonometric integral with exponential Ask Question Asked 1 year, 3 months ago Modified 1 year, 2 months ago