QUESTION

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Which of the following definite integrals are equal to limn→∞∑k=1n(−2+8kn)38n ?

∫6−2x3ⅆx

∫80(−2+x)3ⅆx


Question 1 Which of the following definite integrals are equal to $\lim _{n \rightarrow \infty} \sum_{k=1}^{n}\left(-2+\frac{8 k}{n}\right)^{3} \frac{8}{n} ?$ $\int_{-2}^{6} x^{3} d x$ II. $\int_{0}^{8}(-2+x)^{3} d x$ III. $\int_{0}^{1} 8(-2+8 x)^{3} d x$ (A) I only (B) Il only (C) III only (D) $I, I I$, and III ∫108(−2+8x)3ⅆx

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