Find the nth term of the sequence 1/2,-1/4,1/6-1/8,1/10,..
A.) an= -1/2n
B.) an= (-1) (n+1)/2
C.) an= (-1) (n+1)/2n
D.) an= - 1/2n
A.) an= -1/2n
B.) an= (-1) (n+1)/2
C.) an= (-1) (n+1)/2n
D.) an= - 1/2n
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Answer:
Letter C or B
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