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At t=0, a sample of radionuclide A has t...

At t=0, a sample of radionuclide A has the same decay rate as a sample of radionuclide B has at t=30min. The disintegration constants are `lambda_(A)` and `lambda_(B)`, with `lambda_(A)ltlambda_(B)`. Will the two samples ever have (simultaneously) the same decay rate?

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