List questions from elementary-functions

Published on 12 Nov 2015 - 17:05

147

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How to write this summation as a function of $x$?

Published on 13 Nov 2015 - 4:58

159

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Is $f([a]_{mn}) = ([a]_m,[a]_n)$ a bijection?

Published on 13 Mar 2026 - 5:09

331

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Power series for non elementary functions

Published on 22 Nov 2015 - 19:37

43

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An equality of maxima

Published on 08 Mar 2026 - 2:08

3.2k

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Different Approaches for Introducing Elementary Functions

Published on 03 Dec 2015 - 21:17

61

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How to make functions of three cylinders?

Published on 13 Dec 2015 - 10:29

40

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is $G(x) = |x-2|$ one to one OR onto?

Published on 29 Dec 2015 - 13:13

122

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Find solutions to $|x|<x$

Published on 30 Dec 2015 - 20:13

1.3k

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when $\int x^m (a+bx^n)^p dx$ is elementary function

Published on 17 Jan 2016 - 21:46

62

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Partial fraction in two variable problem

Published on 21 Jan 2016 - 18:56

1.2k

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Number of real roots of the equation $2\cos(x) =(2^x+2^{-x})/2$

Published on 26 Mar 2026 - 8:00

700

Views

Is $\sin(x)$ =$-\sin(180^o+x)$?

Published on 26 Mar 2026 - 1:50

724

Views

Show that $f(x)=\sin(x)$ is continuous at 0 using an assumption

Published on 03 Mar 2016 - 8:38

43

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Elementary Set Theory: Surjective Functions

Published on 06 Mar 2016 - 22:41

List Question

Is there a proof that the Harmonic numbers are not an elementary function?

How to write this summation as a function of $x$?

Is $f([a]_{mn}) = ([a]_m,[a]_n)$ a bijection?

Power series for non elementary functions

An equality of maxima

Different Approaches for Introducing Elementary Functions

How to make functions of three cylinders?

is $G(x) = |x-2|$ one to one OR onto?

Find solutions to $|x|<x$

when $\int x^m (a+bx^n)^p dx$ is elementary function

Partial fraction in two variable problem

Number of real roots of the equation $2\cos(x) =(2^x+2^{-x})/2$

Is $\sin(x)$ =$-\sin(180^o+x)$?

Show that $f(x)=\sin(x)$ is continuous at 0 using an assumption

Elementary Set Theory: Surjective Functions

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