Expressing the integral?

Question

express the integral as a limit of riemann sums. do not evaluate the limit.

integrate from 2 to 6 x/(1+x^5) dx

Answer 1

lim(h->infinity) (1/h) * (sum of k from 0 to 4h-1) (2 + k/h)/(1 + (2 + k/h)^5)

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