Mathematics
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hachemy's user avatar
hachemy
  • Member for 8 years
  • Last seen more than a week ago
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All Questions Answers
Score Newest
question
4
$x+\dfrac{1}{y}=y+\dfrac{1}{z}=z+\dfrac{1}{x}$, prove that $xyz=1$ [duplicate]
Oct 19, 2016
question
3
how to solve this equation with the unknown at the powers
Nov 12, 2015
answer
3
Solve $\lim \:_{x\to \:1}\frac{1+x+x^2+...\:+x^n-\left(n+1\right)}{x-1}$
Nov 25, 2015
question
2
how to prove that the sum of the power two of three reals is less than 5?
Nov 9, 2015
question
2
the intermediate value theorem and the commutative composite of functions
Nov 23, 2015
question
2
Proving $\arctan(\sqrt{x^2+1}-x)=\frac{\pi}{4}-\frac{1}{2}\arctan(x)$
Oct 8, 2019
answer
1
calculate the sum of 5 numbers, knowing the product of their values minus 4
Sep 16, 2017
question
0
solve the equation $\sqrt{x}+\sqrt{y-1}+\sqrt{z-2}=\dfrac{x+y+z}{2}$ [closed]
Nov 5, 2016
question
0
Solve in $\mathbb{R}$ the equation : $x^4+x-4=0$
Nov 7, 2016
answer
0
Proving with a given definition that if $|A|=|B|$ then $A,B$ are equivalent (with induction but without using the induction hypothesis)
Nov 15, 2015

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