Mathematics
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SADBOYS
  • Member for 6 years, 2 months
  • Last seen more than a month ago
  • Rădăuți, Romania
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Radu-Sebastian

So exhausted by knowledge. So hungry for wisdom.

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question
7
Let $a$ be the real root of the equation $x^3+x+1=0$
Mar 28, 2018
question
7
$\sum\limits_{n=1}^{\infty}\arctan{\frac{2}{n^2+n+4}}$
Jan 28, 2019
question
6
Evaluate $\int_{0}^{\infty} \frac{x^2+x+1}{x^6+x^4+1} dx$
Jan 29, 2020
question
5
Calculate $ \int_{-2}^{0} \frac{x}{\sqrt{e^x+(x+2)^2}} dx $
Mar 19, 2018
question
4
Evaluate $\sum_{n=0}^{\infty} \frac{z^{kn+p}}{(kn+p)!}$
Nov 19, 2019
question
4
Evaluate $\sum_ \limits{n=1}^{\infty} \frac{n}{1 \cdot 3 \cdot 5 \cdots (2n+1) } $
Jan 27, 2019
question
3
Evaluate $\lim \limits_{n \to \infty} n \int_{-1}^{0}(x+e^x)^n dx$.
Jan 23, 2018
question
3
Evaluate $\int_{0}^{1} \frac{x^a+x^{-a}}{1+x^2} dx$
Jan 29, 2020
question
3
Evaluate $ \int_{0}^{\pi/2} \frac{\sin(nx)}{\sin(x)}\,dx $ [closed]
Mar 3, 2018
question
3
Finding $ a $ where $ P(x)-a $ divides with $ (x+1)^4 $ and $ P(x)+a $ divides with $ (x-1)^4 $
Mar 10, 2018