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 Feb16 answered Definite integral involving arctan and tan Nov4 answered Evaluating $\lim\limits_{n \to \infty} (\int _a^b|f(x)|^ndx)^\frac 1n=\max\limits_{x\in[a,b]}|f(x)|$ Nov4 answered Integral from zero to infinity of $\int_0^{\infty}\frac{(1-e^{-\lambda z})}{\lambda^{a+1}} d \lambda$ Nov4 answered Show that if $x>0$, then $\ln(x)\geq 1-\frac{1}{x}$ Oct31 asked Integration in n-spherical coordinates Oct13 asked Divergence in spherical coordinates May24 asked Improper integral and special functions Sep16 answered Find the functions family that satisfies the inequality $\int_0^1 \frac{dx}{1+f^{2}(x)} <\frac{f(1)}{f'{(1)}}$ Aug20 answered Solving the integral $\int_{0}^{\infty} \frac{\sin{x}}{x} \ dx = \frac{\pi}{2}$? Jul14 asked Sum equals integral Jun28 answered Solving a complex integral Jun26 answered Visualizing Commutator of Two Vector Fields Jun26 answered Solving the integral $\int_{0}^{\infty} \frac{\sin{x}}{x} \ dx = \frac{\pi}{2}$? Jun26 answered Two sums for $\pi$ Jun25 answered A linear differential equation Jun24 answered Series Expansion Jun23 asked A linear differential equation Jun22 answered Prove that: $\int_{0}^{1} \frac{x^{4}\log x}{x^2-1}\le \frac{1}{8}$ Jun22 answered Computing the derivative from the definition Jun22 answered Integral as a limit of a sum