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Consider the functionf(x)=1−2x+x2. Estimate the area between f(x) and the x-axis over the interval 0≤x≤1 by...

Consider the functionf(x)=1−2x+x2. Estimate the area between f(x) and the x-axis over the interval 0≤x≤1 by setting up a Riemann summation with four equally spaced intervals and evaluating the function at the right hand side of each interval. Compare your answer with the exact answer.

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