The nth term of the sequence 1/3, 1/5, 1/7, ... is?
- 1/(2n+1)
- 1/(2n-1)
- 1/(n+2)
- None of these
Explanation
The sequence is 1/3, 1/5, 1/7,...
Put n = 1,2,3
n=1 => 1/3
n=2 => 1/5
n=3 => 1/7
Denominator pattern is 3,5,7
Denominator = 2n+1
So nth term = 1/(2n+1)
Last verified on 22-10-2026
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