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16h
revised Confused with the power set of an integer
added 3 characters in body
21h
revised Lower bound of multinomial coefficients?
added 29 characters in body
21h
revised Given the sequence of functions, $f_1(x):=\sin(x)$ and $f_{n+1}(x):=\sin(f_n(x))$, why $|f_n(x)|\leq f_n(1)$?
added 29 characters in body
22h
revised How can I prove that G is abelian?
added 30 characters in body
2d
revised Is this identity about floor function true?
added 63 characters in body
2d
revised Calculating $| \langle \cup_{i=1}^n P_i \rangle |$ where $P_i$ are Sylow subgroups of G
added 211 characters in body
2d
revised Give examples showing why $0\cdot \infty$, $\infty/\infty$, and $0/0$ are meaningless
edited body
Feb
8
revised Finding subgroups with a specific property.
added 8 characters in body
Feb
8
revised Find all the numbers $a$ such that the number $an(n+2)(n+4)$ is an integer for all $n \in \mathbb{N}$
added 46 characters in body
Feb
7
revised Show that the set of positive elements in $\mathbb{Z}$ can be identified with $\mathbb{I(N)}$
added 7 characters in body
Feb
7
revised Using definition of derivative to prove that $\lim_{h \to 0} \dfrac{f(x_0+bh)-f(x_0-ch)}{(b+c)h}=f'(x_0) $
added 364 characters in body
Feb
7
revised How does the speed of convergence of these formulae for calculating PI compare with the best algorithms?
deleted 29 characters in body
Feb
7
revised How many times will the innermost loop be iterated
added 1186 characters in body
Feb
6
revised Is there a general formula to solve $a^2+b^2+c^2=d^2+e^2+f^2$?
added 2 characters in body
Feb
6
revised Heine definition of limit of a function at infinity using sequences
added 7 characters in body
Feb
6
revised How many times will the innermost loop be iterated
deleted 4 characters in body
Feb
6
revised Proof that $\{\,\left]a,\infty\right [\mid a\in\mathbb{R}\,\}\cup\{\mathbb{R} \}\cup\{\emptyset \}$ is topology of $\mathbb{R}$
added 15 characters in body; edited title
Feb
6
revised Last digit of $235!^{69}$
deleted 1 character in body
Feb
6
revised $a_n\geq b_n$ for $n>\bar{n}$ implies $\limsup_{n\rightarrow \infty}a_n\geq \limsup_{n\rightarrow \infty}b_n$
added 4 characters in body; edited title
Feb
5
revised Piece wise function continuity
added 62 characters in body