SOLUTION: how do i find the nth term of the following infinite sequence : 0,-1,4,-9,16,-25,...

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Question 479562: how do i find the nth term of the following infinite sequence : 0,-1,4,-9,16,-25,...
Answer by Tatiana_Stebko(1539) About Me  (Show Source):
You can put this solution on YOUR website!
n=1....a%5B1%5D=0=%28-1%29%5E%281-1%29%2A%281-1%29%5E2
n=2....a%5B2%5D=-1=%28-1%29%5E%282-1%29%2A%282-1%29%5E2
n=3....a%5B3%5D=4=%28-1%29%5E%283-1%29%2A%283-1%29%5E2
a%5Bn%5D=%28-1%29%5E%28n-1%29%2A%28n-1%29%5E2 if n=1,2,3,.....