Question

Urgentaaaaaaaaa!!!!! ​

Answer 1

Răspuns:

Explicație pas cu pas:

2)bn=2^n n≥1

2, 2², 2³, 2^4, 2^5...................2^n.........

b1=2 primul termen q=ratia=2

3)

b1=27 q=1

b3=b1xqq=b1xq²=27