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jim

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

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  • Member for 8 years, 4 months
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  • Last seen May 9 '14 at 11:48

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19 Prove that $x = 2$ is the unique solution to $3^x + 4^x = 5^x$ where $x \in \mathbb{R}$ Jan 7 '13
18 Are normal subgroups transitive? Dec 10 '12
16 Cantor set + Cantor set =$[0,2]$ Feb 20 '13
12 Solve equations $\sqrt{t +9} - \sqrt{t} = 1$ May 22 '13
10 set of all holomorphic functions is a integral domain Mar 5 '13
9 Closed subsets $A,B\subset\mathbb{R}^2$ so that $A+B$ is not closed Oct 18 '12
9 If $f^2$ is an analytic function then so is $f$ Feb 18 '13
8 What are the strategies I can use to prove $f^{-1}(S \cap T) = f^{-1}(S) \cap f^{-1}(T)$? Nov 4 '12
8 What Möbius transformation maps the unit circle $\{z: |z|=1\}$ to the real axis? Mar 19 '13
7 Prove or disprove: If $x^T A x = 0 $ for all $x$, then $ A = 0 $. Mar 15 '13
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