determine a razao e classifique cada pg a segui
a) (5,10,20,40)
b) (-3,-1,-1/3,-1/9)
c) (-4,-8,-16,-32)
d) (7,7/2,7/4,7/8)
e) (-6,6,-6,6,-6)
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a) (5,10,20,40) q=2 PG crescente
b) (-3,-1,-1/3,-1/9) q=1/3 PG crescente
c) (-4,-8,-16,-32) q=2 PG decrescente
d) (7,7/2,7/4,7/8) q = 1/2 PG decrescente
e) (-6,6,-6,6,-6) q=-1 PG alternada
b) (-3,-1,-1/3,-1/9) q=1/3 PG crescente
c) (-4,-8,-16,-32) q=2 PG decrescente
d) (7,7/2,7/4,7/8) q = 1/2 PG decrescente
e) (-6,6,-6,6,-6) q=-1 PG alternada
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