CalculusHardNon-Elementary Integration ShareNon-Elementary Integration · Hard problemEvaluate ∫01x3(lnx)2 dx\displaystyle\int_0^1x^3(\ln x)^2\,dx∫01x3(lnx)2dx by substituting x=e−tx=e^{-t}x=e−t and using the Gamma function.Check Show answer Walk through it step by step Practice more like this Review this concept