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Mathematics
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RDK's user avatar
RDK's user avatar
RDK
  • Member for 2 years, 11 months
  • Last seen more than a week ago
  • Seoul, Republic of Korea
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About

Ι’m α Korean High—Schooler, and also α great fan of Mathematics and Coding.

Ι’m especially factinated ω/ Functional Equations, Equations of Motion in Math, and Python, Clang in Coding.

My Activation Time: 17:00~02:00, KST(Inactive in Exam Terms)

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question
11
Is it a duplicate if the same question exists in another site?
May 21, 2023
question
9
About editing the prominent mistakes
Apr 13
question
1
Suspension of users advertising with spams
Apr 24
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12
Show that no non-zero integers satisfy this pair of equations (from Baltic Way 2021)
10
Proving irreducibility for $\frac{a^2+b^2}{ac+bd}$
9
If $z=-\dfrac12-\dfrac{\sqrt{3}}{{2}}i$, find the value of $z^4+z^8$.
7
how to calculate the area of ​the painted circle?