Determine a razão q em cada uma das progressões aritméticas. a) (5,10,20) b) ( 1,-3,9...) c) (-8,16,.... Pergunta de ideia deRafaelacaires4588

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Determine a razão q em cada uma das progressões aritméticas.

a) (5,10,20)

b) ( 1,-3,9...)

c) (-8,16,-32)

d) (20,10,5..)

e) ( 5,5,5)

f) ( 5,15/5, 45/4)

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Geisiih Q=a2/a1 = a3/a2
A)10/5= 2
B)-3/1= -3
C) 16/-8= -2
D) 5/10= 1/2 ( SIMPLIFICA)
E) 5/5=1
F) 15/5 / 5 ( Reoete a 1 fracao e inverte a 2 depois multiplica)
15/5 *1/5= 15/25

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