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 Sep24 awarded Autobiographer Feb12 awarded Notable Question Apr7 awarded Popular Question Jun21 awarded Commentator Jun21 comment Deriving Taylor series for function from geometric series @J.M. I don't actually know how to expand it, it's just given to me and I memorized it. Jun21 comment Deriving Taylor series for function from geometric series @J.M. Sorry but i don't get it. The last few questions I have been doing is more along the lines of $\frac{1}{3-2z}$ with center at 1. which rearranges to $$\frac{1}{1-2(z-1)}$$ which looks very similar to the geometric series $$\frac{1}{1-z}$$. I substitute 2(z-1) into z from geometric series and get my answer. Jun21 comment Deriving Taylor series for function from geometric series @J.M. Thanks, but I still don't seem to get how this can be fitted into the Geometric Series, can you elaborate a little please? Jun21 asked Deriving Taylor series for function from geometric series Jun21 asked How to Integrate along a path Jun21 comment Check my solution - Modelling of a spring with Differential Equation @anon thank you for your help, and i'll definitely keep those tips in mind next time i ask a question. Jun21 revised Check my solution - Modelling of a spring with Differential Equation additional comments Jun20 revised Check my solution - Modelling of a spring with Differential Equation additional information Jun20 accepted Plotting a one-sided amplitude spectrum Jun20 asked Check my solution - Modelling of a spring with Differential Equation Jun20 revised Plotting a one-sided amplitude spectrum Additional information Jun20 asked Plotting a one-sided amplitude spectrum Jun20 comment What happens to Fourier Transform of function when the function's time scale is changed? @leonbloy Just self revision, but anyway, I've added more information to what I have tried, please take a look. Thanks Jun20 revised What happens to Fourier Transform of function when the function's time scale is changed? Further information Jun20 asked What happens to Fourier Transform of function when the function's time scale is changed? Jun20 comment Finding Fourier series with function not centered at the origin @LeonidKovalev why is$\int_{-\pi}^\pi f(t)\sin nt\,dt=2\int_{0}^{\pi/2} f(t)\sin nt\,dt$ ?