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Can anyone solve this?
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File: image.jpg (1 MB, 3264x2448) Image search: [iqdb] [SauceNao] [Google]
1 MB, 3264x2448
Can anyone solve this?
Topic: Riemann Integration
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>>7811655
You can't find the surface of a rectangle?
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>>7811664
More like i can't reach the summation equation to proof the equation
>>
Dx is n. That should get you started. As noted approaches inf
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>>7811683
What is the width of each rectangle?
1/n
What is the height of the k-th rectangle?
(k/n) ^3 +1

You just need to sum for the possible values of k
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>>7811717
Yes, this. Use r instead of k to see how OPs pic applies.

Is $\int x^3+1\,dx$ acceptable, or would you write
$\int (x^3+1)\,dx$?
I think I'd do the latter.