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Jan
27
reviewed Close Subgroup of $S_4$ of order 4
Jan
22
reviewed Close Limit problem arctg (1 ^ infinty)
Jan
22
reviewed Close Is sequence $x_1=3, x_{n+1}=\frac{x_n}{2}-\frac{2}{x_n}$ bounded?
Jan
22
reviewed Leave Open How prove that $|y-x|\le \frac 1n$ implies $|f(y)-f(x)|\le \frac1n|f(1)|$?
Jan
22
reviewed Leave Open What are the integer values of $\frac {8 + 4 \cdot 3^{a}+2 \cdot 3^{a+b}+3^{a+b+c}} {3^{a+b+c+d} - 16}$?
Jan
22
reviewed Leave Open How should I calculate the $n$th derivative of this expression?
Jan
22
reviewed Close The Three Subjects
Dec
15
reviewed Approve Find transitive relations
Dec
15
reviewed Reject Proof Check in Algebra
Nov
22
reviewed Close How many integers between $10000$ and $99999$, inclusive, are divisible by $3$ or $5$ or $7?$
Nov
22
reviewed Close Uniformly continuous function bounded by A+bx
Nov
22
reviewed Close Let $A = \{2,3,4\}$ and $B = \{a,b\}$. List elements of $A\times B$.
Nov
22
reviewed Leave Open Prove that $\sqrt[3]5 - \sqrt[4]3$ is Irrational
Nov
22
reviewed Close Evaluate $\int_a^b(x-a)^3(b-x)^4 dx $
Nov
22
reviewed Leave Open Could you find limit without using l'Hôpital?
Nov
22
reviewed Close Set of permutations of $14$ elements in $S_{14}$
Nov
22
reviewed Close Prove if $7\mid a^2+b^2 \longrightarrow 7\mid a$ and $ 7\mid b$
Nov
22
reviewed Close Assume D is bounded and f is uniformly continuous on D. Prove that f(D) bounded
Nov
22
reviewed Close proof that translation of a function converges to function in $L^1$
Oct
19
reviewed Close Does a sub-$\sigma$-algebra of a countably generated $\sigma$-algebra have to be countably generated?