Let X(t) be a standard Brownian motion, and function Y is defined as below. It is known that the expected value of Y^2, i.e., E[Y^2] equals (T^3)/3. However, the code I use in the attached problem.nb file does not lead to this. I must be coding wrong, can you please point out the error? Thank you.
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int = Integrate[1/(x^3 - 1), x];
Map[Framed, int, Infinity]
![enter image description here]