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Eclipse Sun

Work on Math, Play with Math.

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45 'Bee flying between two trains' problem May 30 '16
26 What is the $1469^\text{th}$ derivative of $x^{532}-5x^{37}-4$? Jul 2 '15
23 How can you prove that $1+ 5+ 9 + \cdots +(4n-3) = 2n^{2} - n$ without using induction? May 28 '16
22 How prove $\pi^2>2^\pi$ Oct 27 '14
18 Is there a logarithm base for which the logarithm becomes an identity function? Mar 8 '19
12 An asymptotic expression of sum of powers of binomial coefficients. Oct 16 '14
12 Variations of $\lim_{n\rightarrow \infty} \left(1 + \frac{1}{n}\right)^n$ Sep 3 '18
11 Taking the square root of an imaginary number Jul 4 '15
10 Calculate $\lim \limits_{x \to \infty} x\int_{0}^{x}e^{t^2-x^2}dt$ May 29 '16
9 $GL_2(R)$ action on binary cubic forms Mar 7 '17
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