Mathematics
Dr. Sonnhard Graubner's user avatar
Dr. Sonnhard Graubner's user avatar
Dr. Sonnhard Graubner's user avatar
Dr. Sonnhard Graubner
  • Member for 9 years
  • Last seen more than 2 years ago
  • Germany
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View all questions and answers
All Questions Answers
Score Newest
answer
44
What is the limit of $x/(x+\sin x)$ as $x$ approaches infinity?
Jan 20, 2015
answer
30
Integration of $\sqrt{x+\sqrt{x^2+3x}}$
Oct 12, 2014
answer
26
Any neat proof that $0$ is the unique solution of the equation $4^x+9^x+25^x=6^x+10^x+15^x$?
Aug 18, 2017
answer
25
Find all integer solutions of: $\;\frac{1}{m}+\frac{1}{n}-\frac{1}{mn^2}=\frac{3}{4}$
Apr 2, 2018
answer
25
Integrating $\int \sqrt{x+\sqrt{x^2+1}}\,\mathrm{d}x$
Aug 21, 2015
answer
16
Square root of $2$ is irrational
Aug 4, 2017
answer
16
Difference between $\log n$ and $\log^2 n$
Oct 26, 2014
answer
16
Notation for every odd integer number
Sep 4, 2016
answer
15
compare $m=50^{50}$ with $n=49^{51}$
Jul 7, 2019
answer
14
Evaluate $\int \frac {e^x -1}{e^x + 1} dx$
Jan 20, 2018

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