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submitted 2 weeks ago by Zpk1a@lemmy.world to c/comicstrips@lemmy.world

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[-] CustardFist@feddit.nl 58 points 2 weeks ago

I once tried to start a conversation with a girl at a party, but she immediately said she had a boyfriend and pointed at him.
So I had a great, long talk with her boyfriend the whole evening, drinking beers, making jokes and laughing hysterically, while the girl stood in the corner by herself with a glass of water, looking pissed, car keys dangling from her finger.

What a great night. 😄

[-] LiPoly@lemmynsfw.com 21 points 2 weeks ago

I’m going to go with “what is a story that started out real but you made up the end in your head on your way home?”

[-] Maven@lemmy.zip 2 points 2 weeks ago

CustardFist would literally never make up anything! Look at their profile! They meticulously document every aspect of their real actual life in comic form!

[-] Grandwolf319@sh.itjust.works 31 points 2 weeks ago

It’s 6 and -6

[-] ezdrift@lemm.ee 23 points 2 weeks ago

It's only 6.

[-] TechieDamien@lemmy.ml 32 points 2 weeks ago

Don't know why you are being down voted. You are correct. There is a difference between a square root and the solutions of x^2^ = n.

[-] Acters@lemmy.world 12 points 2 weeks ago

Yeah, square root implies absolute numbers. You need to manually multiply by -1 to get the other solution to x^2

[-] CommanderCloon@lemmy.ml 7 points 2 weeks ago* (last edited 2 weeks ago)

No?

In mathematics, a square root of a number x is a number y such that y² = x; in other words, a number y whose square (the result of multiplying the number by itself, or y ⋅ y) is x. For example, 4 and −4 are square roots of 16 because 4² = ( − 4 )² = 16.

Wikipedia

Edit: I'm wrong lol, there is a difference between the square root function, which accepts two results, and the square root, or principal square root, which is a unique positive number

[-] Opisek@lemmy.world 25 points 2 weeks ago* (last edited 2 weeks ago)

So close yet so far. If only you had read ONE more paragraph.

Every nonnegative real number x has a unique nonnegative square root, called the principal square root or simply the square root (with a definite article, see below), which is denoted by √x where the symbol "√" is called the radical sign or radix.

[-] CommanderCloon@lemmy.ml 2 points 2 weeks ago* (last edited 2 weeks ago)

This sentence made no sense to me as it directly contradicted the previous one. But it's just a confusion on my part between the function called square root, which confusingly outputs two different numbers called "square roots", and "the" number called square root; I've edited my comment. Thanks for correcting me!

[-] Opisek@lemmy.world 2 points 2 weeks ago

Yeah, I see how that can happen. Very confusing to have the same name for two things differentiated only by the use of a definite or indefinite article.

[-] wdx@feddit.org 2 points 2 weeks ago* (last edited 2 weeks ago)

Look at the inverse of the square root function, f(x)=x² (https://www.desmos.com/calculator/2v5gzbhru8)

You can get the sqrt of a given y by looking at the x axis. E.g. the value of y=4 has two solutions, x=2 and x=-2. This however does not mean that the sqrt of -4 is also 2! If you look at graph you can see that there are no solutions for y less than 0.

sqrt(-1) , sqrt(-2) (i ill omit imaginary numbers here) and so on do not have a solution. There is nothing you can replace with such that x × x is < 0 because multiplying two negatives always nets a positive.

[-] DragonTypeWyvern@midwest.social 1 points 2 weeks ago

I really don't like the sqrt shorthand.

They knew.

[-] Cephalotrocity@biglemmowski.win 6 points 2 weeks ago

[-] GJdan@programming.dev 16 points 2 weeks ago

It's simultaneously 6 and -6 until you open the box

[-] DragonTypeWyvern@midwest.social 1 points 2 weeks ago

Superposition isn't the same thing as a simultaneous existence. There are not two cats in the box.

[-] lurklurk@lemmy.world 3 points 2 weeks ago

Because we don't want kittens?

[-] GiveOver@feddit.uk 30 points 2 weeks ago

A stranger asked me for the time a few weeks ago and I realised it was the first time in 10+ years. It just doesn't happen anymore. Another thing ruined by millennials

[-] BlueMagma@sh.itjust.works 5 points 2 weeks ago

Why is it millennials that "ruined" it in your opinion ? I assumed it disappeared because everybody has mobile phone with a clock on it.

[-] rickyrigatoni@lemm.ee 8 points 2 weeks ago

Millenials destroyed the spacetime continuum in 2168 after trying to make a fidget spinner out of black holes.

[-] DragonTypeWyvern@midwest.social 2 points 2 weeks ago

Would

[-] GiveOver@feddit.uk 3 points 2 weeks ago

Yeah it's definitely due to phones, I was only joking about millenials. Seems like something the news would say.

this post was submitted on 08 Dec 2024

247 points (86.4% liked)

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