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Mathematics
Ellen Ellen's user avatar
Ellen Ellen's user avatar
Ellen Ellen's user avatar
Ellen Ellen
  • Member for 5 years, 2 months
  • Last seen more than a week ago
  • Mathematics nourishes the mind
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12
Find : $\lim\limits_{n\to +\infty}\frac{\left(1+\frac{1}{n^3}\right)^{n^4}}{\left(1+\frac{1}{(n+1)^3}\right)^{(n+1)^4}}$
Feb 21, 2020
7
Find triple summation rel in a closed form $S=\sum_{n=1}^{\infty}\sum_{m=1}^{n}\sum_{k=1}^{m}\frac{1}{(n+1)(k+1)(m+1)nmk}$
Jul 15, 2019
7
Evaluate the following integral :$\int\limits_0^{\infty}\frac{\log (1+x^{4})}{\sqrt{x}(1+x)}dx$
Mar 22, 2020
6
evaluate the summation : $\sum_{n=0}^{\infty}\frac{(-1)^{n}}{(n+1)(n+2x+3)}$
Jul 15, 2019
6
Finding the area of equilateral $\triangle ABC$, given an interior point $I$ with $IA=8$, $IB=10$, $IC=6$
Nov 22, 2019
6
Evaluate : $I=\int_0^{\infty}\frac{\ln (1+ax+x^{2})}{1+x^2}\,dx$
Mar 23, 2020
5
Evaluate the sum : $\frac{1}{1+x_{1}}+\frac{1}{1+x_{2}}+\frac{1}{1+x_{3}}+...+\frac{1}{1+x_{n}}$
Oct 7, 2019
5
Understand a Solution of $3^{p}=1+2^{q}$
Jan 2, 2020
5
Problem : What are our ages now?
Oct 14, 2019
5
Find derivative of $\lfloor{x}\rfloor$ in distribution
Aug 3, 2020