Question
Mathematics Question on Sequences and Series
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
Answer
Substituting n = 9, we obtain
a9 = (-1)9-1 (9)3
= 729
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
Substituting n = 9, we obtain
a9 = (-1)9-1 (9)3
= 729