Solving difficult integrals with substitution

Oscar Nieves
4 min readMar 26, 2023

Integration by substitution is a very powerful tool for evaluating integrals where the answer may not seem as obvious at first, but under appropriate variable transformations, we can obtain simple and elegant solutions. In this article, I will explore 2 interesting examples of substitution which caught my eye, and which I think illustrate the power of this method.

Integral 1

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Oscar Nieves

I write stories about applied math, physics and engineering.