SOLUTION: what is the nth term of -1,1,-1,1-1....

Question 1195985: what is the nth term of -1,1,-1,1-1....
Found 2 solutions by ikleyn, math_tutor2020:
Answer by ikleyn(52788) (Show Source): You can put this solution on YOUR website!
.

If we do not make special assumption/assumptions, then the n-th term can be any number, at n > 5.

Answer by math_tutor2020(3817) (Show Source): You can put this solution on YOUR website!

The nth term is assuming the pattern of {-1, 1, -1, 1, ...} repeats like that forever.

n = 1,
n = 2,
n = 3,
n = 4,
And so on.

RELATED QUESTIONS
What is the nth term of 1, -2, 4,... (answered by Sir226,Edwin McCravy)
What is the nth term of the harmonic sequence 1/2 ,1/4... (answered by josgarithmetic)
What is the nth term of the following sequence? 1/4 , 1,2 1/4, 4,6... (answered by solver91311)
What is the "nth" term of this sequence? a1=2 1/2, d=1 1/2,... (answered by Fombitz)
What is a formula for the nth term of the given sequence? 9, 3,... (answered by oscargut)
What is the nth term of the harmonic sequence... (answered by stanbon)
What is the nth term of the sequence (-1, 4, -9, 16, ......)? (answered by robertb)
The nth term of a series is 1/2(2n-1). Write down the (n+1)th... (answered by ikleyn)
What is the 7th term of the sequence whose nth term is an =... (answered by stanbon)