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3. Identify the roots of the integrand to remove absolute values, then evaluate using the Fundamental Theorem of Calculus, Part 2. $\int_0^2 \vert x^2 - 1 \vert dx.$
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To remove the absolute value, we need to find the roots of the expression inside the absolute value. Setting √x - 1 = 0, we get √x = 1, which gives x = 1 as the root. Show more…
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