Mathematics
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unit 1991's user avatar
unit 1991's user avatar
unit 1991
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All Questions Answers
Score Newest
question
3
Solve $(y+1)dx+(x+1)dy=0$
Dec 12, 2021
question
3
Solve the differential equation. $y^\prime = y^2+\frac{1}{x^4}$, $y=\frac{1}{x^2}\text{ctg}(\frac{1}{x}+c) - \frac{1}{x}$ and $y(+\infty)=0$
Sep 21, 2021
question
2
Prove or disprove convergence of $\int_0^1 \frac{dx}{x-sinx}$
Feb 14, 2022
question
2
Prove a stronger formula for the discrepancy of a sequence
Apr 28
question
2
How many $0$-s have at the end number $11^{11}22^{22}55^{55}$. [closed]
Aug 21, 2021
question
2
Show that $f_n(x)=x^n(1−x^n)$ is not monotone
Jan 29, 2022
question
2
Find the integral $\int \frac{dx}{(x+a)^2(x+b)^2}$ [duplicate]
Sep 6, 2021
question
2
Show that $AΔB=C$ if and only if $A=BΔC$.
Sep 9, 2021
question
2
Show that $\frac{3}{5} + \frac{4}{5}i$ number in multiplicative complex numbers field(apart from $0)$ has infinite order
Mar 8, 2022
question
2
$\mathbb{R}^2 \setminus C$ subspace has two connected components where $C$ is a circle.
Jan 4, 2022

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