Mathlover
Reputation
Top tag
Next privilege 5,000 Rep.
Approve tag wiki edits
 Apr14 reviewed Approve How can you derive $\sin(x) = \sin(x+2\pi)$ from the Taylor series for $\sin(x)$? Apr3 comment Is there a formula for $\sum_{n=0}^{+\infty} q^{n^3}$? Have you seen my question on the subject? I will be appreciated if you check.math.stackexchange.com/questions/358407/… Thanks Apr3 comment To evaluate $\int_0^{+\infty} \frac{\;\mathrm dx}{\sqrt[3]{x^3+a^3}\sqrt[3]{x^3+b^3}\sqrt[3]{x^3+c^3}}$ @Noam D. Elkis I think that you mistyped $x^3 = 1/t$, $dx = -t^{-2/3} dt/3$ . I have updated it as $dx = -t^{-4/3} dt/3$ . Thanks a lot for your great answer. Apr3 revised To evaluate $\int_0^{+\infty} \frac{\;\mathrm dx}{\sqrt[3]{x^3+a^3}\sqrt[3]{x^3+b^3}\sqrt[3]{x^3+c^3}}$ I have updated @Noam D. Elkies . Thanks a lot for your answer. I have noticed a mistake after your the change of variables . It should be $dx = -t^{-4/3} dt/3$ . Best Regards Mar30 revised Convert a 2D point to 3D on a plane deleted 5 characters in body Mar30 answered Convert a 2D point to 3D on a plane Mar10 answered Differentiate $\sqrt{1+f(x)^2}/(1+f(x))$ Feb12 comment General solution to ODE $y''-Ay^5=0$ You can use the same way as I showed for other similiar question.math.stackexchange.com/questions/166981/… Jan18 awarded Popular Question Jan5 awarded Yearling Dec21 awarded Constituent Dec9 reviewed Approve In ΔABC prove that sides are in $AP$. Dec8 awarded Caucus Dec5 answered Complex roots forming a equilateral triangle Dec2 revised Prove that $\lim_{m\to\infty} I_{2m}/I_{2m+1}=1$ edited title Dec2 answered Minimum value of an integral with least square? Nov21 answered Proof of Faà di Bruno's formula using a convolution identity for Bell polynomials? Nov19 awarded Nice Question Nov16 accepted To find Area of rectangular with given 3 parameters Nov14 comment Analysis of the function $\prod\limits_{n=-\infty}^{ \infty }(1-e^{-a{(x+n)^2} })$ @AleksVlasev Could you please give more detail? Thanks