Question

The rather dangerous element Wonderium decays radioactively to the beautiful metal Galgadotium at a rate equal to α times the amount of Wonderium present at time t, W(t). But Galgadotium decays at a rate equal to β times the amount of Galgadotium present at time t, G(t); here β is strictly larger than α. Give equations for W(t) and G(t), solve these equations, and use the solutions to compute lim_t→∞[W(t)/G(t)] in terms of αandβ ONLY, assuming that W(0)≠0. The correct answer is

1. β−αβ
2. β−αα
3. α−βα
4. αβ−α
5. None of the above

Answer 1