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Mathematics
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MangoPirate
  • Member for 11 years, 7 months
  • Last seen more than 7 years ago
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question
6
Determine $\phi(2^{399}+1)$
Nov 14, 2014
question
5
If the sequence$\{na_n\}$ converges and $\sum_{n=1}^\infty n(a_n-a_{n-1})$ converges, prove $\sum_{n=1}^\infty a_n$ converges.
Mar 4, 2013
question
3
If $f$ is Lebesgue integrable on [0,1] show $g(x)=\int_{[x,1]} f(t)t^{-1}dt$ is Lebesgue integrable on [0,1]
Oct 5, 2014
question
2
A generating function where the coefficient of $x^r$ is $2^r$
Mar 7, 2013
question
2
Uniform convergence of $f_n(x)=\frac{n^2\sin{(nx)}}{1+n^2x}$ on $(0,\infty)$
Mar 10, 2013
question
2
Proving some properties of pointwise convergent sequences.
Mar 11, 2013
question
2
Show $\frac{\ln{(1+nx^2)}}{2n}$ is not uniform convergent on $[0,\infty)$
Apr 2, 2013
question
2
Given the joint pdf of random variables $X_1$ and $X_2$, I'm trying to find the pdf of $W=w_1X_1 + w_2X_2$
Nov 7, 2014
question
2
Prove there is a unique $x_0 \in M$ such that $\|x_0 - z\| = \inf_{x \in M} \|x-z\|$ and show $z-x_0 \perp M$
Feb 1, 2015
question
1
An explicit bijection between the power set $\mathcal P \left({\mathbb{N}}\right)$ and $2^\mathbb{N}$. [duplicate]
Feb 6, 2013