Seeking indefinite integral ∫ (LNX) ^ 3 / x ^ 2 ∫(lnx)^3/x^2 dx
∫(lnx)^3/x^2 dx
=-∫(lnx)^3d1/x
=-(lnx)^3/x+∫1/xd(lnx)^3
=-(lnx)^3/x+3∫(lnx)^3/x^2dx
Let's integrate the latter term step by step
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