Question

Alguien que me ayude xf

Answer 1

$an = a1 + (n - 1)d$

1.

a1: 1 d: 3

an=1+(n-1)3

an=1+3n-3

an= 3n-2

2.

a1: 2 d: 3

an=2+(n-1) 3

an=2+3n-3

an=3n-1

CALCULAR 30:

an=3n-1

an=3(30) -1

an=90-1

an=89