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10 votes
This is really confusing pls help! :)

This is really confusing pls help! :)-example-1
User Jay Peyer
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2 Answers

7 votes
The answer is an=3n+1 you are welcome
User BennyTheNerd
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9 votes
Number of cubes increases by 3 for each term.

an= 3n+1
User Atish Goswami
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