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If the 15th term of the arithmetic sequence is 12, and the 14th term is 21, find the common difference of the sequence.
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If the 15th term of the arithmetic sequence is 12, and the 14th term is 21, find the common difference of the sequence.

User Brian Lyttle
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1 Answer

4 votes

Answer:

9

Explanation:

User Ders
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