QUESTION

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Which of the following definite integrals are equal to limn→∞∑k=1nsin(−1+5kn)5n ?

∫4−1sinxⅆx

∫50sin(−1+x)ⅆx 5

∫10sin(−1+5x)ⅆx


Question 6 Which of the following definite integrals are equal to $\lim _{n \rightarrow \infty} \sum_{k=1}^{n} \sin \left(-1+\frac{5 k}{n}\right) \frac{5}{n}$ ? I. $\int_{-1}^{4} \sin x d x$ II. $\int_{0}^{5} \sin (-1+x) d x$ III. $5 \int_{0}^{1} \sin (-1+5 x) d x$ A I only B II only C III only D I, II, and III

Public Answer

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