loremiel84 loremiel84

18-03-2019
Mathematics

contestada

Please help me ! I need to pass
Write a recursive formula for the following arithmetic sequence

8,12,16,20. ...

A1 =

An = For n _> 2

Respuesta :

19-03-2019

Step-by-step explanation:

[tex]a_1=8\\a_2=a_1+4=8+4=12\\a_3=a_2+4=12+4=16\\a_4=a_3+4=16+4=20\\\vdots\\\\a_n=\left\{\begin{array}{ccc}a_1=8\\a_n=a_{n-1}+4\end{array}\right[/tex]

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