LaurenMia1
LaurenMia1
24-11-2017
Mathematics
contestada
Help me with this question please?
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zeeshanturi72
zeeshanturi72
24-11-2017
3^(n+2)-3^n = (3^n).(3^2)-3^n = 9.3^n - 3^n = (9-1).3^n = 8.3^n
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