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Mathematics 10 Online
OpenStudy (anonymous):

find the nth term, the fifth term, and the eighth term of the geometric sequence 1,-x^2,x^4,-x^6,...

OpenStudy (cwrw238):

nth term = ar^(n-1) where a = first term and r = common ratio common ratio = second term / first term

OpenStudy (anonymous):

so 1(x^2)^n-1?

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