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10 cards from this deck
Each term = previous term × constant factor (common ratio)
Constant factor multiplying each term, denoted rrr
aaa
Tn=arn−1T_n = ar^{n-1}Tn=arn−1
r=TnTn−1r = \frac{T_n}{T_{n-1}}r=Tn−1Tn
a,ar,ar2,ar3,ar4,...a, ar, ar^2, ar^3, ar^4, ...a,ar,ar2,ar3,ar4,...
Show common ratio TnTn−1\frac{T_n}{T_{n-1}}Tn−1Tn is constant
Multiplication by common ratio rrr
rrr
Common ratio
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