In a radioactive decay chain, what happens to the activities of the parent and the daughter isotopes


In a radioactive waning association, what happens to the activities of the producer and the daughter isotopes when a stipulation of laic equilibrium exists?

When a radioactive waning association contains two isotopes, and the daughter isotope has a considerable elder half-life than the producer isotope, what does the equation for the attention of the daughter isotope behold love?