Question: A certain preparation includes two beta-active components with different half-life. The measurements resulted in the following dependence of the natural logarithm of preparation activity on

A certain preparation includes two beta-active components with different half-life. The measurements resulted in the following dependence of the natural logarithm of preparation activity on time t expressed in hours:

Find the half-life of both components and the ratio of radioactive nuclei of these components at the moment t=0.

20 14 3 10 0.90 In A 4.10 1.82 1.60 3.60 3.10 2.60 2.06 1.32

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