al [-2, 1] to approximate the integral $\int_{-2}^{1} x^3 + 3x^2 + x + 1 dx$. Insert
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Step 1
First, we need to find the antiderivative of the integrand: ∫(x + 3x^2 + x) dx = ½x^2 + x^3 + ½x^2 + C Show more…
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