Mathematics
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choco_addicted
  • Member for 7 years, 1 month
  • Last seen more than 1 year ago
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About

An undergraduate in South Korea. I major in Mathematics Education.

My picture is shared by Nick and in public domain(CC0).

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All Questions Answers
Score Newest
answer
107
$100$-th derivative of the function $f(x)=e^{x}\cos(x)$
Apr 21, 2016
answer
31
Prove the following trigonometric identity without a calculator involved
Feb 17, 2016
answer
18
How to calculate $ \sum_{n=1}^{15}n(n!) = ? $
Feb 10, 2016
answer
14
How to prove that $k^3+3k^2+2k$ is always divisible by $3$?
Feb 4, 2016
question
13
How to express $f(n\alpha)$ in terms of $f(\alpha)$
Mar 25, 2016
answer
9
Decide whether the series ${\sum_{n=1}^{\infty} \frac{1+5^n}{1+6^n}}$ converges or diverges
May 21, 2016
answer
9
how to prove that $2^n = (n+1)(n+2)(n+3)$ has no solution when $n>0$?
Apr 1, 2018
answer
9
Exponential (to the power of a logarithm)
Feb 4, 2016
answer
8
Weight of watermelons after percentage of water is evaporated.
Feb 14, 2016
question
8
Minimal polynomial of $\sqrt{2+\sqrt[3]{3}}$ over $\mathbb{Q}$
Jul 7, 2019
Top Meta posts
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25
Is it allowed and encouraged to post non-answer joke to low-quality questions?
19
Misuse of tag "divergence": How to deal with questions with the wrong tag?
7
If reputation reaches daily maximum
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14
Which do I choose "그" or "그녀"?
8
How should I use the pronoun 당신?
8
Is there a special meaning of '이' when added on to names?
7
What is the difference between 헛갈리다 and 헷갈리다? What is the standard language?
6
Can I write "마음을 잡수시다"?

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