For a continuous function on with

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

Problem

For a continuous function ff on [a,b][a,b] with a<ba<b, which of the following expressions is equal to ∫baf(x) dx\displaystyle \int_{b}^{a} f(x)\,dx? (a) ∫abf(x) dx\displaystyle \int_{a}^{b} f(x)\,dx (b) f(b)−f(a)f(b)-f(a) (c) −∫abf(x) dx-\displaystyle \int_{a}^{b} f(x)\,dx (d) ∫ab∣f(x)∣ dx\displaystyle \int_{a}^{b} |f(x)|\,dx

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