Respuesta :

EXPLANATION

If a_1 = 5 and a_n = n*a_n-1 - 4 the value of a_3 is given by the following relationship:

[tex]a_2=\text{ 2}\cdot5\text{ - 4 = 10-4=6}[/tex][tex]a_3=2\cdot6-4=12-4=8[/tex]

The answer is 8

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