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junior college 1 | H2 Maths
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Date Posted: 3 years ago
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The main idea is to realise that N > N - 1 > N - 2, but this results in a reversed order for their reciprocals ie 1/N < 1/(N - 1) < 1/ (N - 2).
You need this to do the logical break-up of terms later on, along with realising that the bottom of the summation is now n = 1 instead of n = 3.
You need this to do the logical break-up of terms later on, along with realising that the bottom of the summation is now n = 1 instead of n = 3.
Date Posted:
3 years ago
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