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visits member for 4 years, 2 months
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Jan
20
asked What is a better comparision series for $\sum \frac {1}{F_n}$ than $\sum_0^\infty2^{-k}$?
Jan
13
asked How often is $1+\prod_{k=1}^n p_k$ not prime?
Jan
12
asked inequality $10<2^{2^{\frac {3}{\log_2 \log_2 10}}}$
Jan
8
answered Convergence of $\sum_{n=1}^\infty \exp( \frac{a \ln n + b}{c \ln n + d})$
Jan
6
asked What is the next composite number?
Jan
3
asked Limit $\lim_{k\to\infty}\prod_{m=2^k}^{m=2^{k+1}} {\frac{2m}{2m-1}}$
Dec
31
answered A question regarding a double series.
Dec
28
asked What are solutions to $2^x=x$?
Dec
20
asked Why $ \int_0^{\infty} du \, \frac{e^{-3 u} - e^{-4 u}}{u} = \int_0^{\infty} du \, \int_3^4 dt \, e^{-u t} \\ $?
Oct
22
answered Sum of $1+2+4+8+…$
Oct
8
asked Limit $\lim_{x\to\infty} \frac {a_nx^n+a_{n-1}x^{n-1}+\cdots+a_0}{{b_nx^n+b_{n-1}x^{n-1}+\cdots+b_0}}$
Mar
17
asked For which $\alpha$ does the series $\sum_{n = 1}^{\infty}\big(2^{n^{-\alpha}}\!\! - \!1\big)$ converge?
Mar
17
asked Largest possible 2D combination not containing 2 common rectangles
Mar
9
answered Determining total number of tickets sold
Feb
21
answered $\frac {\operatorname d\!y}{\operatorname d\!x}$ for $\sqrt{xy}=1$
Jan
20
answered How to work out an integral with algebra.
Dec
29
answered Mathematicians don't quit, they fade away
Dec
29
answered Evaluating $\lim_{n\to \infty } \, \left(\sum _{k=1}^{\infty } \frac{1}{n}\right)$
Dec
25
answered Can We Represent Every Real Number Using Only Finite Memory?
Dec
24
asked Solving 5th degree or higher equations