Luhtmj146
Luhtmj146
09-04-2017
Mathematics
contestada
Answer?????????????????
Respuesta :
TheHero
TheHero
09-04-2017
a1 = 6 a5 = -6
a1 + d(n-1) = -6
6 +4d = -6
4d = -12
d = -3
a3 = a2 + d = -6 -3 = -9
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