Hi, I'm having trouble trying to solve this last problem on my homework. I dont understand what I have to do with the dx that's on top. Can anyone help me out? Thank you.
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$\displaystyle \int \frac{dx}{(4+x^2)^2}= \int \frac{1}{(4+x^2)^2}~dx$ does this make it easier?
Originally Posted by pickslides $\displaystyle \int \frac{dx}{(4+x^2)^2}= \int \frac{1}{(4+x^2)^2}~dx$ does this make it easier? That's all I needed to do? lol. If so, I believe I can take it from here. I solved it and got the right answer. Thank you for the speedy response.
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