Integral Practice # 109: integral of (1/(x^2 + 1)^2)dx

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Hi guys! This is my integral practice #109. Give it a try first and check the final answer. For integral problem requests, just comment down below. Thank you for watching! #enginerdmath #integral #calculus

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OMG THANK YOU, I literally couldn’t find a video that has dx on top. Thanks for saving my quiz grade!

tomaskharoun
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Change the numerator to 1 = x² + 1 - x². After some straight-forward manipulation becomes an IBP problem.
∫ 1/[x² + 1]dx - ½∫x.2x/[x² + 1]²dx

wasimvillidad