List questions from elementary-functions

Published on 22 Mar 2026 - 19:15

94

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Proving rules for real numbers hold for complex numbers

Published on 08 Sep 2018 - 3:10

48

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Did I derive a function for finding the angle of a complex number?

Published on 10 Sep 2018 - 7:06

150

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What does “$\forall$” mean?

Published on 21 Mar 2026 - 20:40

61

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Prove $\int_0^1\frac{1}{x}dx=\infty$

Published on 22 Mar 2026 - 18:44

19

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Finding factors s.t. f(x) > g(x)

Published on 22 Mar 2026 - 8:26

444

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Why isn't $y=a(x^2-Sx+P)$ same with $x^2-Sx+P$

Published on 19 Oct 2018 - 9:48

1.2k

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Proving that the absolute value function is elementary.

Published on 22 Mar 2026 - 18:47

40

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Terminology of function; $f(n)=(4^n-2) / 7$

Published on 22 Mar 2026 - 12:40

107

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Representing integer as product of $2^n$ and an odd number

Published on 28 Oct 2018 - 13:54

522

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The absolute value function $|\cdot|$ is elementary, but not differentiable?

Published on 29 Oct 2018 - 7:05

1.1k

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"Every elementary function is differentiable."

Published on 22 Mar 2026 - 9:16

15

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Performing additional calculation of the result of a function

Published on 22 Mar 2026 - 16:42

48

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Set of functions satisfying a given condition

Published on 22 Mar 2026 - 13:47

156

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integrate $F(x)$: NO complex analysis, NO multivariable calculus

Published on 06 Dec 2018 - 3:29

List Question

Criteria for monotonicity of one-variable functions

Proving rules for real numbers hold for complex numbers

Did I derive a function for finding the angle of a complex number?

What does “$\forall$” mean?

Prove $\int_0^1\frac{1}{x}dx=\infty$

Finding factors s.t. f(x) > g(x)

Why isn't $y=a(x^2-Sx+P)$ same with $x^2-Sx+P$

Proving that the absolute value function is elementary.

Terminology of function; $f(n)=(4^n-2) / 7$

Representing integer as product of $2^n$ and an odd number

The absolute value function $|\cdot|$ is elementary, but not differentiable?

"Every elementary function is differentiable."

Performing additional calculation of the result of a function

Set of functions satisfying a given condition

integrate $F(x)$: NO complex analysis, NO multivariable calculus

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