Question

1. COMPLETE CADA UMA DAS SEGUINTES PG.:
a) (3, 6, ___, ___, ___) c) (-2, -6, ___, ___, ___, ___)
b) (1, 5, ___, ___, ___, ___) d) (3, 3/2, ___, ___, ___)
e so completar

Answer 1

Razão de uma PG = a2/a1

a) 6/3 = 2, logo (3, 6, 12, 24, 48)

b) 5/1 = 5, logo (1, 5, 25, 125, 625)

c) -6/-2 = 3, logo (-2, -6, -18, -54, -162)

d) 3/2 / 3 = 3/6 = 1/2, logo (3, 3/2, 3/4, 3/8, 3/16)