Find the relative error when using the trapezoidal rule to calculate $\int_0^1 (x^3 + 3x^2) dx$ using 3 subintervals. Find the relative error as a percent rounded to the nearest hundredth if necessary. Do not include the symbol "%" in your answer.
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The integral is given as ∫(3 + 32) f(x) dx. Show more…
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