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Apr
26
answered $b^{\frac{m}{n}}=(b^{\frac{1}{n}})^m=(b^m)^{\frac{1}{n}}$ except $b$ is not negative when $n$ is Even.
Apr
25
answered Up to isomorphism
Apr
25
answered $f:[a,b] \to R$ is continuous and $\int_a^b{f(x)g(x)dx}=0$ for every continuous function $g:[a,b]\to R$
Apr
25
answered Why are we defining the norms on certain vector spaces the way they are?
Apr
24
answered Murder at Hilbert's Hotel!
Apr
21
answered How to solve the derivative of $b^x$ using the defintion
Apr
20
answered Analog clock with same hands - sometimes one can't tell time
Apr
19
answered Lebesgue measure of graph of $\sin{\frac{1}{x}}$ on $[0,1]$
Apr
18
answered Number Theory - Multiple of $36$ problem
Apr
18
answered Mathematical induction
Apr
17
answered How do pocket calculators calculate exponents?
Apr
17
answered Need help with proof of existence of $\sqrt{2}$
Apr
17
answered Is $2^{\aleph_0} = \aleph_1$?
Apr
16
answered For matrices, if $AB=BA$, then does it follow that $B^{2}A=AB^{2}$?
Apr
16
asked Decoding the sign expansion of surreal numbers
Apr
12
answered What separates an axiom from a proposition?
Apr
12
answered Product of subgroups which is not a group - infinite case
Apr
12
asked How to maximize the minimal amount not payable with the exchange of at most two coins?
Apr
12
answered What's the difference between $\sum_{r=1}^n(ar+b)$ and $\sum_{r=1}^nar+b$
Apr
11
answered Maximum notation