User eca2ed291a2f572f66f4a5fcf57511 - Mathematics Stack Exchange

eca2ed291a2f572f66f4a5fcf57511

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25

Why is the rational number system inadequate for analysis?

Dec 23, 2015

6

Why is this theorem also a proof that matrix multiplication is associative?

Jan 5, 2016

3

What's the big deal of an ordered basis in this theorem?

Nov 7, 2015

3

How can I prove $\sqrt{a^{2}}\le \sqrt{a^{2}+b^{2}}$ if $a^{2}\le a^{2}+b^{2}$?

May 3, 2016

3

Prove $(rs)^{t}=r^{t}s^{t}$ for a real number $t\gt 0$

Sep 25, 2016

3

Does $\{a:a=bc\text{ for }b,c\in\mathbb{Q},\text{ and }b\le t,\text{ }c\le u\}$ contain all rationals $a\le tu?$

Oct 2, 2016

2

How can I show that $nb^{n-1}>b^{n-1}+b^{n-2}a+\cdots+a^{n-1}$?

Jan 22, 2016

2

Is this proof on change of basis redundant or not?

Mar 6, 2016

2

Prove that $(U^{t})^{-1}=(U^{-1})^{t}$.

Jun 12, 2016

2

Prove that at least one subsequence of $s_{n}=\frac{(-1)^{n}}{1+\frac{1}{n}}$ converges to $1$

Sep 11, 2016

Top network posts

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52

Why is S::x not odr-used?

19

Why is this expression not a constant expression?

16

Why is the conversion from char*** to char*const** invalid?

15

Perfect-forwarding a return value with auto&&

12

What does the standard mean by "a subsequent condition of that statement"?