Mathematics
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ultralegend5385
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i like maths

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answer
19
Solve $\begin{cases}x^2+y^4=20\\x^4+y^2=20\end{cases}$
Feb 1, 2021
answer
7
Can you solve two unknowns with one equation?
Jul 12
answer
7
Let $x,y,z\in[0,1]$. Find the maximum value of $\sqrt{|x-y|}+\sqrt{|y-z|}+\sqrt{|z-x|}$.
May 25, 2022
answer
7
Implicit differentiation $(\sin x +y)/(\cos y +x)=1$
Nov 17, 2020
answer
6
A little help with Derangements
Apr 18, 2022
answer
5
A silly question on range of a quadratic function.
Jul 1, 2022
answer
5
Find number of continuous functions satisfying the equation $4\int_{0}^{\frac{3}{2}}f(x)dx+125\int_{0}^{\frac{3}{2}}\frac{dx}{\sqrt{f(x)+x^2}}=108$
May 25, 2022
answer
5
How to read the symbol $\gtreqqless$?
Jul 3, 2021
answer
4
Find all functions $f: \mathbb{N} \rightarrow \mathbb{N}$ such that $f(n)+2f(f(n))=3n+5$
Jun 13
answer
4
Is it valid to to multiply an equation with general variable?
Jan 11, 2021
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