Mathematics Questions, Problems & Solutions : TransWikia.com ~ Page 206

Proof in the context of Galois theory that quintics and above can't be solved by the trigonometric and exponential function

I have been studying Galois theory as of late and recently I came across this proof in the context of Complex Analysis which not only prove the...

Asked on 08/27/2020 by symmetrickittens

0 answer

Prove that exist $b gt 0$, so that $f$ may be defined at $x=0$ and be continuous.

Given the function $$f(x) = begin{cases} (1 + 2^{frac{3}{x}})^{bsin(x)} &quad if quad xgt 0 \...

Asked on 08/25/2020 by Karl

1 answer

Relation between IVT, Connectedness, Completness in Metric Space, LUB

The motive behind this question is:In an ordered field LUB <=> IVT.Is the IVT equivalent to completeness?Connected Metric Space X does have IVP i.e "all continuous function f:M⟶R...

Asked on 08/25/2020 by Saikat Goswami

1 answer

Compute $int xy dx +(x+y)dy$ over the curve $Γ$, $Γ$ is the arc $AB$ in the 1st quadrant of the unit circle $x^2+y^2=1$ from $A(1,0)$ to $B(0,1)$.

Compute $int xydx+(x+y)dy$ over the curve $Γ$, where $Γ$ is the arc $AB$ in the first quadrant of the unit circle $x^2+y^2=1$ from $A(1,0)$...

Asked on 08/22/2020 by Promona

1 answer

bounded Cantor pairing?

I know this is not the coding stack exchange but the first three paragraphs just pertain to the background (I hope it is not too jargon heavy). My question itself...

Asked on 08/21/2020 by Some guy

0 answer

autocorrelation for truncated normal distribution

I have a (symmetric) truncated normal distribution from which I'm sampling. There is also auto-correlation of the values, so I know:$mu$, $sigma$, $text {autocorr} = a$....

Asked on 08/17/2020 by bearcub

0 answer

For a function $f: X to Y$, if $Y-V$ is finite, when is $X - f^{-1}(V)$ finite?

I apologize if this is a silly question but I just do not know enough set theory (i.e., sizes) to understand if it's even silly. My question isLet $f:...

Asked on 08/17/2020 by trujello

2 answer

The width of a hypergraph

In this paper, the width of a hypergraph $H$ is defined as the minimum integer $t$ for which there exists a subset $T$ of...

Asked on 08/16/2020 by Erel Segal-Halevi

1 answer

False Position Method

Is it possible to use False position method to find the root near $pi/2$ for this function? $$f(x)=frac12+frac{x^2}4-xsin(x)-frac{cos(2x)}2$$ As you can see, she is positive...

Asked on 08/15/2020 by Matheus Barreto Alves

1 answer

Turning on a nuclear briefcase with the smallest possible number of keystrokes

On the front panel of the "nuclear briefcase" there are $12$ buttons. Each button controls its own switch: pressing it toggles it from ON to OFF and back. The...

Asked on 08/14/2020 by Delta Account

3 answer

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