Q9 of 97 Page 180

Find the indicated terms in each of the sequences in whose nth terms are:

an= (-1)n-1 n3 ; a9

The given nth term of the sequence is an= (-1)n-1 n3


We have to find out value of a9, putting value of n = 9 in given expression


a9 = (-1)8 93 = 729


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