Respuesta :

Answer:

[tex] a_n = 2n [/tex]

Step-by-step explanation:

Given sequence is: 2, 4, 6, 8,.....

Here, a = 2, d = 4 - 2 = 2

To find: [tex] a_n[/tex]

[tex]a_n = a + (n - 1)d \\ \\ \therefore \: a_n = 2 + (n - 1)2\\ \\\therefore \: a_n = 2 + 2n -2\\ \\\therefore \: a_n = 2n \\ \\[/tex]

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