Identify the correct expression for the uniform sub-interval width when the closed…

MATHEMATICS · Single correct · A Level · Mathematics · Integration · Integration

Problem

Identify the correct expression for the uniform sub-interval width Δx\Delta x when the closed interval [a,b][a,b] is partitioned into nn equally spaced sub-intervals. (a) b−an−1\dfrac{b-a}{n-1} (b) a+bn\dfrac{a+b}{n} (c) b−an\dfrac{b-a}{n} (d) nb−a\dfrac{n}{b-a}

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