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Integrate[1-(1-e^(-4t/2266))^18(1-e^(-4t/1133))^94(1-e^(-4t/341))^3,{t,0,∞}]
Integrate[1-(1-e^(-4t/2266))^18(1-e^(-4t/1133))^94(1-e^(-4t/341))^3,{t,0,∞}]
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