Progressão Geométrica?
Identifique as sequencias que representam progressões geométricas:
a) (3,12,48,192,...)
b) (-3,6,-12,24,-48,...)
c) (5,15,75,375,...)
d) (√2, 2, 2√2, 4,...)
e) (-1/3 , -1/6 , -1/12 , -1/24,...)
f) (√3, 2√3,3√3,4√3,...)
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a) an = an-1 x 4
b) an = an-1 x (-2)
c) an = an-1 x 3
d) an = an-1 x √2
e) an = an-1 x 1/2
f) an = an-1 x 2