this post was submitted on 02 Oct 2023
133 points (94.6% liked)

Science Memes

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[–] [email protected] 25 points 11 months ago
[–] [email protected] 13 points 11 months ago (4 children)

Can someone explain this? Integral from 10 to 13 of 2x? It's been a long time since calculus for me, but isn't that like 2x² + c or something like that?

[–] [email protected] 37 points 11 months ago (1 children)
[–] [email protected] 4 points 11 months ago (2 children)
[–] [email protected] 11 points 11 months ago (1 children)
[–] [email protected] 4 points 11 months ago

Never heard of this before, looks cool. Wish I had that when I was taking calculus lol

[–] can 2 points 11 months ago
[–] [email protected] 16 points 11 months ago

Just x²+c, but when you're integrating between limits the +c doesn't matter - so you're just left with the difference between 13² and 10²...

[–] [email protected] 11 points 11 months ago (1 children)

The integral of 2xdx is x^2 + c, and it’s evaluated from 10 to 13. So you’d have the following:

(13^2 + c) - (10^2 + c).

The c’s cancel. I’ll leave you to do the rest…

[–] [email protected] 2 points 11 months ago