[Steps Shown] Integrate ∫ (x^3 d x)/((x^2+1)^3) in two ways. by letting x= tan θ by letting 2=x^2+1 C) Show that both results are the
Question: Integrate \(\int \frac{x^{3} d x}{\left(x^{2}+1\right)^{3}}\) in two ways.
- by letting \(x=\tan \theta\)
-
by letting \(2=x^{2}+1\)
C) Show that both results are the same
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