Respuesta :

mumsy
IF a₁=5
a₂=3 * a₁=3*5=15
a₃=3*a₂=3*15=45
a(n)= 3* a(n-1)
The term is 3 times the previous term:
[tex]a_1 = 5[/tex]
[tex]a_2 = 3(5) = 15[/tex]
[tex]a_3 = 3(15) = 45[/tex]
[tex]a_4 = 3(45) =1355[/tex]

General nth term:
[tex]T_n = 3a_{n-1}[/tex]

Answer: The common ratio is 3.

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