is a p-series with . So, diverges and consequently, diverges.
thank you for your answer.
but when i tried to do a ratio test, the answer is smaller than 1 which suggests it converges, but we know this series diverges.
can you show me why?
thank you for your answer.
but when i tried to do a ratio test, the answer is smaller than 1 which suggests it converges, but we know this series diverges.
can you show me why?
many thanks.
Actually L = 1, which makes the ratio test inconclusive.
Last edited by alexmahone; Jan 7th 2012 at 04:25 PM.