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Which formula can be used to find the nth term of
the sequence 3, 21, 147, ... ?

User JNK
by
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2 Answers

14 votes

Answer:

aerthmetic sequence formula

Formula:

an=a1+(n-1)d

User Dave Lunny
by
8.4k points
11 votes

Answer :

c....................

User Ermenegildo
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