Darren Liang's answer to Noob student's Junior College 2 H2 Maths Singapore question.

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Darren Liang
Darren Liang's answer
15 answers (Tutor Details)
You have the key idea, but I think you can improve the clarity. From what you wrote, I feel like you’re not clear exactly why it converges.

If you show that the series is (1) bounded above and (2) increasing, then it converges.