Respuesta:
Explicación paso a paso:
[tex]a_{n} = a_{1} +r ( n-1)[/tex]
[tex]a_{n} -a_{1} = r(n-1)[/tex]
[tex]r = \frac{a_{n}-a_{1} }{n-1}[/tex]
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Respuesta:
Explicación paso a paso:
[tex]a_{n} = a_{1} +r ( n-1)[/tex]
[tex]a_{n} -a_{1} = r(n-1)[/tex]
[tex]r = \frac{a_{n}-a_{1} }{n-1}[/tex]