Question

escreva a formula do termo geral de cada sequencia, com n£N e n≥1 : a)(2,3,4,5,6..) b)(-2,3,8,13,18..)​

Answer 1

a) An = a₁ + (n - 1) * r

An = 2 + (n - 1) * 1

An = 2 + n - 1

An = n + 1

b) An = a₁ + (n - 1) * r

An = - 2 + (n - 1) * 5

An = - 2 + 5n - 5

An = 5n - 7