Question

1. das sequencias a seguir, quais sao PA?
a) (2,4,6,8,...)
b) (4,10,1,2)
c) (-4,-8,-12,-16,...)
d) (-5,7,-8,1,...)
e) (-11,-5,-5,-9,-4,...)
2 2
f) (2,5,10,17,26,...)

Answer 1

a) (2, 4, 6, 8... ) poq estão de dois em dois