Approximate Integral Using Midpoint Rule

[akbarali]

Here is a problem I was having difficulty with. Took me forever just to figure out how to solve (because I stink at Calc).

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Here is my work:

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Does this look okay? What do you think of the approach?

 

[MarkFL]

Re: Intervals

Yes, that looks good. W|A agrees with your number, and your method looks perfect.