Respuesta :

mhanifa

Answer:

  • 156

Step-by-step explanation:

Given the sequence

  • 13, 26, 39, …

We see it is an AP with

  • The first term a = 13
  • Common difference d = 13 ( as 26 - 13 = 39 - 26 = 13)

The 12th term is:

  • a₁₂ = a + 11d = 13 + 11*13 = 156