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Mathematics
Hamid Reza Ebrahimi's user avatar
Hamid Reza Ebrahimi's user avatar
Hamid Reza Ebrahimi's user avatar
Hamid Reza Ebrahimi
  • Member for 9 years, 4 months
  • Last seen more than 4 years ago
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21
Academic advantages of activity on SE
Mar 26, 2016
question
16
Number sets symbols in Mathjax [duplicate]
Jun 16, 2016
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4
How to archive and backup our questions to our own PC just in case?
Oct 16, 2016
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1
How to write this symbol in Mathjax?
Jun 17, 2016
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11
Show that among any consecutive $16$ natural numbers one is coprime to all others
9
For function $f:[0,1]\rightarrow \Bbb R$ we know : $f(x+y)\geq f(x)+f(y)$.Prove that $f(x)\leq 2x$
9
Verify surjectivity of the function $f$ satisfying: $f(x)+f(x^2)=x$
7
What's $\alpha+\beta$ if we have: $\alpha^3-6\alpha^2+13\alpha=1$ and $\beta^3-6\beta^2+13\beta=19$ ($\alpha$ and $\beta$ are Real)
7
Find all positive integers satisfying: $x^5+y^6=z^7$