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18-06-2020
Mathematics

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Complete the recursive formula of the arithmetic sequence 13,17,21,25
a(1) =
a(n) = a(n - 1) +

Respuesta :

09pqr4sT 09pqr4sT

18-06-2020

Answer:

[tex]a_{n} = 4n+9[/tex]

Step-by-step explanation:

[tex]a_{n} = a_{1} +(n - 1)d[/tex]

[tex]a_{n} = 13 +(n - 1)4[/tex]

[tex]a_{n} = 13 +4n-4[/tex]

[tex]a_{n} = 4n+13-4[/tex]

[tex]a_{n} = 4n+9[/tex]

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