Question

Qual é a razão das P.G
(4,12,36,108,...)
(-3, -15, -75, -375...)
(2, 1, ¹/2 , ¹/4, ...)
(2, -8, 32, -128 , 512, ...)

Answer 1

3   ... (4x3= 12; 12x3 =36; ...)   
5       (-3x5=-15; -15x5=75; ...)
¹/2     (2x1/2=1; 1x1/2= 1/2;...)
-4.     (2x-4=-8;  -8x-4= 32;...)