Mathematics
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noname1014
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All Questions Answers
Score Newest
question
29
If we define $\sin x$ as series, how can we obtain the geometric meaning of $\sin x$?
Mar 28, 2012
question
26
how to strictly prove $\sin x<x$ for $0<x<\frac{\pi}{2}$ [duplicate]
Mar 28, 2012
question
13
give a counterexample of monoid
Apr 17, 2012
question
12
Prove at least two are not relatively prime, for any $8$ composite positive integers not exceeding $360$
Mar 22, 2017
question
10
Semiring between measure theory and abstract algebra
Sep 11, 2012
question
9
If a linear map $T$ has a $k$-dimensional invariant subspace, does it admit an $n-k$ invariant subspace?
Mar 29, 2017
question
7
Deleted versus non-deleted limits
May 21, 2016
question
7
Rearrangement of series in Banach space and absolute convergence
Sep 3, 2016
question
6
Prove $\sum_1^{\infty} a_i^2$ convergent
Dec 9, 2016
question
5
What is the relation of basis in linear algebra and basis in topology?
Apr 6, 2012

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