a)(5, 10, 20,...) q = 10/2 ==. q = 2 crescente
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b)(-raiz de 3, - raiz de 3, - raiz de 3) q = - V3/-V3 ==> Q = 1 CONSTANTE
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c)(3, 2, 4/3,...) Q = 4 : 2 ==> Q = 4 . 1 ==> Q = 2 DECCRESCENTE
3 3 2 3
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d)(27, -18, 12,...) Q = - 18/27 ==> Q = - 2/3 DECRESCENTE
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e)(-12,-6, -3,...) Q = - 6/12 ==. Q = 1/2 CRESCENTE
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a)(5, 10, 20,...) q = 10/2 ==. q = 2 crescente
====================================================
b)(-raiz de 3, - raiz de 3, - raiz de 3) q = - V3/-V3 ==> Q = 1 CONSTANTE
=========================================================
c)(3, 2, 4/3,...) Q = 4 : 2 ==> Q = 4 . 1 ==> Q = 2 DECCRESCENTE
3 3 2 3
======================================================
d)(27, -18, 12,...) Q = - 18/27 ==> Q = - 2/3 DECRESCENTE
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e)(-12,-6, -3,...) Q = - 6/12 ==. Q = 1/2 CRESCENTE