IsaiyahR316073 IsaiyahR316073

25-10-2022
Mathematics

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how to solve a sequence

Respuesta :

BetsyD120149 BetsyD120149

25-10-2022

For the first sequence

Let a1 = 2

2, 9, 16, 23, ...

Recursive Formula

[tex]a_n=a_{n-1}+7[/tex]

Explicit Formula

[tex]a_n=2+7(n-1)[/tex]

For the second sequence

Let a1 = 2

2, 14, 98, 686, ...

Recursive Formula

[tex]a_n=7(a_n-1)[/tex]

Explicit Formula

[tex]a_n=2\cdot7^{n-1}[/tex]

Answer Link

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