Respuesta :

Answer:

3/5, 1/2

Step-by-step explanation:

u(1) = 4 (given)

               3            3

u(2) = ----------- = -------      where u(1) = 4 and u(1) + 1 = 5

           4 + 1          5

             3

u(3) = -------- = 3/6 = 1/2

           5+1

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