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JxxYsde3

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 4 years, 2 months
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  • Last seen Mar 8 '18 at 1:37

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4 Suppose $a \in \langle b\rangle$. Then $\langle a\rangle = \langle b\rangle$ if and only if $a$ and $b$ have the same order. Oct 22 '17
4 Show that for a $∈ G, Na ∈ G/N$, order(Na) is a factor of order(a). Oct 24 '17
3 Let $m$ be a fixed integer. If $x^m \in H$ for every $x \in G$, then the order of every element of $G/H$ is a divisor of m. Oct 26 '17
3 Prove that $f_n$ = $\frac{x}{1+n^2x^2}$ uniformly converges. Mar 11 '17
3 Is there a value of r for which $\sum_{k=0}^{\infty}r^k = \frac{1}{4}$? Mar 5 '17
2 For what values of r would the series converge? Feb 14 '17
2 Prove that the series $\sum\limits_{k=1}^{\infty}[\ln(ak+b)- \ln(ak)]$ diverges Feb 27 '17
2 One sided limits in the sum of a geometric series Mar 5 '17
2 Prove that $\lim_{x→0} f(x) = A$. [duplicate] Feb 7 '17
2 Let {$t_n$} = $\sum_{k=n}^{\infty}a_k$. Prove that the sequence {$t_n$} converges to 0. Feb 15 '17
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