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## anonymous 5 years ago what is the integral of 7/(t^3+3) from x to 1?

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1. anonymous

That's a very messy integral. You sure you typed that in correctly?

2. anonymous

do you mean:$\int\limits_{x}^{1}2/(t^3+3)dx$ ? ^_^

3. anonymous

That doesn't make the integral any more simple. You could fill up several pages calculating that integral unless I'm missing something obvious.

4. anonymous

lol, calm down, let's just check ? :)

5. anonymous

Yes, i did mean what sstarica said

6. anonymous

except the 2 is a 7

7. amistre64

dx ..... is that a typo.....should be "dt" right?

8. anonymous

LOL yeah, sorry >_<

9. anonymous

yes dt

10. amistre64

would splitting the variables help us? dy/dt = 7/(t^3 +3) dy/7 = dt/(t^3+3) ?? maybe not

11. anonymous

figured it out it is just the original function

12. amistre64

.....thatd be a trick :)

13. anonymous

thank you!

14. amistre64

how you work that out?

15. anonymous

using the first part of the fundamental thm of calc

16. amistre64

ohhh yeah ...the first part of the thing about that stuff.... yeah.... I was gonna do that but you know.... :)

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