Top network posts

• 13 $1989 \mid n^{n^{n^{n}}} - n^{n^{n}}$ for integer $n \ge 3$
• 11 Find $\lim_{x\to0}{\frac{\arctan (2x)}{3x}}$ without using '0/0=1'
• 6 Easy: Graphs of Straight Line
• 6 Indefinite Integral with "sin" and "cos": $\int\frac{3\sin(x) + 2\cos(x)}{2\sin(x) + 3\cos(x)} \; dx $
• 6 If $a,b> 0$, $a\neq b$, and $a + b = 2$ prove that $ab < 2$.
• 5 $\int x^x\frac { { (x }^{ 2x }+1)[\ln { (x)+1 } ] }{ { x }^{ 4x }+1 } dx$
• 5 solve the equation with superscripts
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