Question

7) Determine a razão das seguintes P.A

a) (10,12,14,16...) b) (3,7,11,...) c)(1,6,11,16...) d)(-3,-1,1,3,...)

Answer 1

a) (10,12,14,16...)

b) (3,7,11,...)

c)(1,6,11,16...)

d)(-3,-1,1,3,...)

razões:

a) 12 - 10 = 2

b) 7-3 = 4

c) 6-1 = 5

d) 3-1 = 2