Episode #125 of the Stack Overflow podcast is here. We talk Tilde Club and mechanical keyboards. Listen now

Questions (46)

 7 Finding maxima and minima of $f(x,y)=x^4+y^4-2x^2$ 7 Studying the convergence of the series $\sum_{n=1}^\infty\sin\frac1{n}\log\left(1+\sin\frac1{n}\right)$ 3 Study the uniform convergence of the functional series $\sum_{n=0}^\infty \frac{(-1)^n \sin(nx)}{\sqrt n+x^2}$ 3 Question about polynomials and its derivatives 3 Calculate the surface area with integration

Reputation (600)

This user has no recent positive reputation changes

 4 unknown polynomial divided by $x^2(x-1)$, find the remainder. 3 Show that when written in terms of $t$, where $t = \tan(x/2)$, the expression $2(1 + \cos(x))(5\sin(x) + 12\cos(x) + 13)$ is a perfect square. 2 Show that $\sum_{n=1}^\infty 2^{2n}\sin^4\frac a{2^n}=a^2-\sin^2a$ 1 How to solve $\lim \left(\frac{n^3+n+4}{n^3+2n^2}\right)^{n^2}$ 1 Calculus problem with substitution

Tags (45)

 4 calculus × 26 0 linear-algebra × 9 4 algebra-precalculus 0 convergence × 8 3 sequences-and-series × 16 0 real-analysis × 7 3 trigonometry 0 integration × 6 2 limits × 4 0 abstract-algebra × 4

Accounts (5)

 Mathematics 600 rep 33 silver badges1515 bronze badges Stack Overflow 103 rep 55 bronze badges Meta Stack Exchange 101 rep 11 bronze badge MathOverflow 101 rep 11 bronze badge Computer Science 101 rep 11 bronze badge