Can anyone solve this?

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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

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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 [math]\int x^3+1\,dx[/math] acceptable, or would you write

[math]\int (x^3+1)\,dx[/math]?

I think I'd do the latter.

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