For A > 0, compute I ( A ) = ∫ − A A d t 1 + t 2 and evaluate lim a → ∞ I ( A ) , the area under the graph of 1 1 + t 2 on [ − ∞ , ∞ ] .
Calculus Volume 2
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Introductory Statistics
Using & Understanding Mathematics: A Quantitative Reasoning Approach (7th Edition)
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