ryang1635 ryang1635

18-04-2021
Mathematics

contestada

Find the 4th term in the sequence
with the following definition:
a1 = 0
an = 2(an-1 -3)

Respuesta :

surjithayer10otahza surjithayer10otahza

18-04-2021

Answer:

-42

Step-by-step explanation:

[tex]a_{1}=0\\a_{n}=2(a_{n-1}-3)\\a_{2}=2(a_{1}-3)=2(0-3)=-6\\a_{3}=2(a_{2}-3)=2(-6-3)=-18\\a_{4}=2(a_{3}-3)=2(-18-3)=-42[/tex]

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