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La progresion.
2. 6 . 10 . 14......
Se trata de una progresion aritmetica donde:
diferencia(d) = 6 - 2 = 4
an = ultimo termino = 50
a1 = primer termino = 2
d = diferencia= 4
n = ?
Formula para hallar el ultimo termino
an = a1 + (n - 1)*d
50 = 2 + (n - 1) * 4
50 - 2 = (n - 1) *4
48 =(n - 1) *4
48/4 = n - 1
12 = n - 1
12 + 1 = n
13 = n
n = 13
Respuesta.
El numero 50 ocupa el termino 13