Question

dtermine a razao e classifique cada pg a seguir: (5,10,20,40) (-4,-8,-16,-32) (1,1,1,1)

Answer 1

P.G(5,10,20,40)
q = a 2/a 1
q = 10/5
q = 2
 crescente

P.G(-4,-8,-16,-32}
q = a 2/a 1
q = -8/-4 
q = 2
decrescente

P.G(1,1,1,1)
q = a 2/a 1
constante