Question

meeeeee ajudaaaaaa help​

Answer 1

Explicação passo-a-passo:

2a)

PA(7, 11, 15, 19, 23)

2b)

PA(-6, 2, 10, 18)

3a)

an = 2 + 5(n-1)

an = 2 + 5n - 5

an = 5n - 3

3b)

an = -1 + 6(n - 1)

an = -1 + 6n - 6

an = 6n - 7