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calculate-0-arctan-3-x-2-2-x-2-9-2-dx-




Question Number 73489 by abdomathmax last updated on 13/Nov/19
calculate  ∫_0 ^∞     ((arctan(3+x^2 ))/((2 x^2 +9)^2 ))dx
calculate0arctan(3+x2)(2x2+9)2dx

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