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Student Support Forum > General > > "Troubles with Inverse PolyLog"

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Please answer this:3+1 =



Original Message (ID '47997') By Bill Simpson:
In[1]:= f[x_]:=Simplify[Integrate[Sqrt[t]/(1+Exp[t-x]),{t,0,Infinity}]] In[2]:= FindRoot[f[x]==1,{x,1}] Out[2]= {x->0.5136+2.6772*^-15I In[3]:= Plot[f[x]-1,{x,-5,5}] From In[3]:= Integrate::gener : Unable to check convergence. Integrate::gener : Unable to check convergence. Integrate::gener : Unable to check convergence. General::stop, :Further output of Integrate:: gener will be suppressed during this calculation. From In[14]:=