Let y = x ^ 2x, find the second derivative of Y

y=x^(2x)lny=2xlnx(1/y)*y'=2[lnx*x'+x*(lnx)']y'=2(lnx+x*1/x)*x^(2x)y'=2(1+lnx)x^(2x)y''=2[x^(2x)*(1+lnx)'+(1+lnx)*(x^(2x))']y''=2[x^(2x)*1/x+(1+lnx)*2(1+lnx)x^(2x)]y''=2x^(2x-1)+4(1+lnx)²x^(2x)

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