February 22, 2017

Homework Help: Calc 2

Posted by Bae on Friday, May 2, 2014 at 3:32pm.

Can you give me the step by step instructions on how to do this problem? I'm having difficulty understanding Riemann Sum.

Let f(x) = 2/x

a. Compute the Riemann sum for R4 using 4 subintervals and right endpoints for the function on the interval [1,5].

b. Draw a figure with the appropriate rectangles labeled corresponding to the Riemann sum R4.

c. Find the exact value of the integral from [1, 5] of f(x)dx = F(5) - F(1), by finding an antiderivative F(x) of f(x) = 2/x

~~This is from my assignment that I got back, which I thought I did right, but I didn't. I really want to understand the concept of Riemann sums. Thanks a lot!! :)

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