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anonymous
 one year ago
Write the integral that produces the same value as \[\lim_{n \rightarrow \infty } \sum_{i=1}^{n}(3+i(5/n)^2)(5/n)\]
anonymous
 one year ago
Write the integral that produces the same value as \[\lim_{n \rightarrow \infty } \sum_{i=1}^{n}(3+i(5/n)^2)(5/n)\]

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0First, what do you think it would be?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[\int\limits_{0}^{5}(3+5x)dx\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I just dont understand what goes where

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Sorry the site went down for me, maybe you too?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Yeah it did for me too

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Well lets remember that an integral is the sum between a and b where \[\int\limits_{a}^{b} some\ equation\ here\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0okay yeah i got that. would a equal what i equals or something else?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0correct, in this case, a=1 and b=\[\infty \]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Okay. Now what about the equation?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0well do you think it would be something different than what it currently is?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0if it helps, you can change n to be x so you have a dx at the end of the integral. but a dn would be fine too.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0no but for all the answers that are given to me they are all different \[\int\limits_{8}^{3}(x^3)dx\] \[\int\limits_{3}^{0}(x+3)^2dx\] \[\int\limits_{5}^{0}(3+5x)dx\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Ohh i read this wrong. i was thinking that i was imaginary. im dumb. I'm going to work this out on paper real quick and get back with you, okay?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Im stumped as my calculus is proving to be a bit rusty. Here is what i do know though. http://www.wolframalpha.com/input/?i=lim+n%3Einf+%28sum_%28i%3D1%29%5En++%283%2Bi%285%2Fn%29%5E2%29%285%2Fn%29%29+ So that limit = 15. Now you just need to compute your choices and see which one gives you an answer of 15.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0well none of them gave me 15

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Well damn. Im sorry. Try to ping one of the other helpers. I'm stumped on this one.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Okay don't worry about it
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