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 Aug 8 revised Simple question about antiderivative? put more latex and better formatting and punctuation Aug 6 revised improper (double) integral: $\int_0^\infty\int_x^\infty\frac{1}{\sqrt{t^{3}+1}}\,\mathrm{d}t\,\mathrm{d}x$ edited title Aug 6 revised Are parallel vectors always scalar multiple of each others? revised again, hopefully this time i got it right Aug 6 revised Are parallel vectors always scalar multiple of each others? reworded answer Aug 4 revised Compute $\int_{\mathbb {R}}\sin \left(\frac {\pi x}{x^2+1}\right)\frac{1}{x^2+1} dx$ fixed the integral Jun 16 revised Generelized Integral Convergence added 9 characters in body Jun 15 revised Differentiation chain rule added 6 characters in body Jun 3 revised A function $f$ is increasing on the closed internal $[a,b]$ edited body May 27 revised Prove convergence of sequence and calculate its limit added 33 characters in body May 19 revised Help evaluating $\int_0^\infty \frac{1}{x^{1/2}(x+1)}dx$ added 3 characters in body May 13 revised Obtain $x$ from exponential equation latexified May 12 revised How to integrate $f(x)$? deleted 33 characters in body Apr 30 revised How do you evaluate $\int e^{-7x}\cos^3(4x)\sin^2(4x)dx$? improved formatting Apr 29 revised Determine the area of the region bounded by $y=2e^x$, $y=e^{2x}$ and $x=0$ added 20 characters in body; edited title Apr 20 revised Continous value of integrals misunderstood question Apr 16 revised Is this solvable? $x=e^{-6x}$ deleted 90 characters in body Apr 16 revised Division with negative exponents latexified Apr 12 revised How to differentiate integrals with variable limits? deleted 1 characters in body; edited title Apr 9 revised Mathematical Induction: how do we know what applies to one thing also applies to another? added 1857 characters in body Mar 26 revised Prove not a violation of Stokes theorem added 861 characters in body