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lim[0.2+sum[(- 0.4^(1/0.8))^n/n! D[(x e^((2 (0.3) x)/0.8))^n,{x,n-1}],{n,1,16}],x=0.2]
lim[0.2+sum[(- 0.4^(1/0.8))^n/n! D[(x e^((2 (0.3) x)/0.8))^n,{x,n-1}],{n,1,16}],x=0.2]
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