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 Oct 17 awarded Notable Question Oct 1 awarded Popular Question Jul 12 awarded Scholar Jul 12 accepted Sum Cosine Mod? Jul 12 accepted Squared Series Fourier Jul 12 accepted Summing a exponential series Jul 12 accepted Fractions in limits of a summation Jul 12 accepted Sum of Sines Interval Jul 12 accepted Sum of Cosine/Exponential Jul 12 accepted Trig Series Sum Jul 12 accepted Fourier transform of $y_k=\left[k-\frac{m-1}{2}\right]^{2},$ Jun 28 awarded Teacher Jun 28 awarded Supporter Jun 28 answered Are the exercises necessary to understand the subject of a mathematical textbook? Jun 28 comment Book about creating geometries with programming languages Jun 28 answered Concise foundational math books Jun 28 suggested rejected edit on Fourier transform of $y_k=\left[k-\frac{m-1}{2}\right]^{2},$ Jun 28 comment Approximate $\int_a^b \frac{1}{\sqrt{2 \pi \sigma^2}}e^{-(x-\mu)^2/2 \sigma^2}\log(1+e^{-x}) \ \ dx$ Anybody notice it is formula for normal distribution? Can this be used to simplify?Must it be between 0 and 1 Jun 28 answered an exercise book for probability theory recommendation request Jun 28 comment Find $\lim\limits_{x \to \infty} \frac{\sqrt{x^2 + 4}}{x+4}$ Have you tried to implement a trig substition?