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Integrate[Dot[{e^t*e^(-t^2),sin[e^(-t^2)]},D[{e^t,e^(-t^2)},t]],{t,1,2}]
Integrate[Dot[{e^t*e^(-t^2),sin[e^(-t^2)]},D[{e^t,e^(-t^2)},t]],{t,1,2}]
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