Question

Determine a fórmula do termo geral de cada PG
a) (3,12,48,...) b)(36,6,1,...)

Answer 1

a)Q = 12/3
Q = 4

$A_{n} = 3 . 4^{(n -1)}$

b) Q = 6/36 
Q = 1/6

$A_{n} = 36 . \frac{1}{6} ^{(n -1)}$