Question

Determine a razão das P.As abaixo:
A) (5, 7, 9, 11,...)
B) (7,3,-1, -5,...)
C) (8, 11, 14, 17,...)
D) (5, 2, -1, -4,...)
E) (14, 21, 28, 35)​

Answer 1

Resposta:

Explicação passo a passo:

A) (5, 7, 9, 11,...)

PA: r = a2-a1 = 7-5 = 2

B) (7,3,-1, -5,...)

3-7 = -4

C) (8, 11, 14, 17,...)

11-8 = 3

D) (5, 2, -1, -4,...)

2-5 = -3

E) (14, 21, 28, 35)​

21-14 = 7

Vilmar