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Consider the integral approximation T20 of 2ei dx. Does T20 overestimate or underestimate the exact value? A. underestimates B. overestimates Find the error bound

Consider the integral approximation T20 of 2ei dx. Does T20 overestimate or underestimate the exact value? A. underestimates B. overestimates Find the error bound for T20 without calculating TN using the result that M(b - a)3 Error(TN) < 12N? where M is the least upper bound for all absolute values of the second derivatives of the function 2ei on the interval [a, b].

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