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faust18 [17]
3 years ago
12

Write an explicit formula for a_na n ​ , the n^{\text{th}}n th term of the sequence 7, -21, 63, ...7,−21,63,....

Mathematics
2 answers:
lesya692 [45]3 years ago
6 0

Answer:

a_n= 7(-3) n-1

Step-by-step explanation:

ArbitrLikvidat [17]3 years ago
5 0

Answer:

a_n= -3n

Step-by-step explanation:

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