Question:
Find the indicated terms in each of the sequences in Exercises 7 to 10 whose n th terms are: an = (-1)n-1 n3 ; a9
Find the indicated terms in each of the sequences in Exercises 7 to 10 whose n th terms are: an = (-1)n-1 n3 ; a9
Updated On: Jan 27, 2026
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Solution and Explanation
Substituting n = 9, we obtain
a9 = (-1)9-1 (9)3
= 729
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