Chapter8: Sequences, Series,and Probability
Section: Chapter Questions
Problem 4T: The 5th term of an arithmetic sequence is 45, and the 12th term is 24. Find the nth term.
Related questions
Question
The seventh term of an arithmetic sequence is 64 and the twenty-sixth term is 235. The sum of the first 15 terms is
a) 2190
b) 1905
c) 1095
d) 960
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