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OpenStudy (abbles):
How did they do this?
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OpenStudy (abbles):
At the very top, how did they get rid of the +1 on the numerator of the first term? And shouldn't the last term be 1/4, not 3/8?
OpenStudy (mrnood):
at first sight I would agree with you. haven't time to fully analyse yet...
OpenStudy (abbles):
hmmmm typo then?
OpenStudy (mrnood):
I see now - it IS correct the 1 became 1/8 which adds to the other constant to give 3/8
OpenStudy (abbles):
Aha! Nice catch :) Thanks.
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