Mathematics
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kaiserphellos
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question
9
Prove that $\lim\limits_{n\rightarrow \infty}\int_1^3\frac{nx^{99}+5}{x^3+nx^{66}} d x$ exists and evaluate it.
Feb 28, 2013
question
4
Commutative ring $R$ such that $R[x]$ has nonconstant units.
Feb 22, 2013
question
3
Exercise on Limits of Functions [duplicate]
Oct 11, 2012
question
3
Show this function is convex.
Nov 30, 2012
question
3
Help with series indices in proving the associativity of multiplication of formal power series
Feb 22, 2013
question
2
Application of the Inverse Function Theorem
Nov 29, 2012
question
2
Prove $\lim_{j\rightarrow \infty}\sum_{k=1}^{\infty}\frac{a_k}{j+k}=0$
Feb 14, 2013
question
2
Show that $f(x)=\sum_{k=1}^\infty \frac{1}{k}\sin(\frac{x}{k+1})$ converges.
Mar 7, 2013
question
2
Prove that $|\sum_{k=1}^\infty(1-\cos(1/k))|\leq 2$.
Mar 7, 2013
question
2
If $0\neq \alpha \in E$ is algebraic over F, then $\frac{1}{a}$ is also algebraic over F.
Apr 17, 2013