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jekas [21]
3 years ago
5

An arithmetic sequence is defined by the recursive formula t1 = 11, tn = tn - 1 - 13, where n ∈N and n > 1. Which of these is

the general term of the sequence?
Mathematics
1 answer:
galben [10]3 years ago
6 0

coolio

t_1=11

t_n=t_{n-1}-13

so each term is ound by subtracting 13 from the previous term


an aritmetic sequence can be written as

t_n=t_1+d(n-1) were

t_n is the nth term

t_1 is the first term

d is common difference, which can also be found by doing t_n-t_{n-1}=d

n=wich term


we know that t_1=11 and we can find d

t_n=t_{n-1}-13, t_n-t_{n-1}=-13=d

so te general term is t_n=11-13(n-1) which can also be expanded and written as t_n=-13n+24

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