From t=0 to t=100e-9 Plot (3.8987827096203365e15*t^1.8)/(exp((1e9*t)/37)*(1+1.8091465865953844e14*t^1.8))+(6.414160672739878e17*t^1.8)/(exp(5e8*t)*(1+1.335036583638165e16*t^1.8))

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