Sequences and Series Part 1
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If the sum of the first 20 terms of the series log ( 7 1 ∕ 2 ) x + log ( 7 1 ∕ 3 ) x + log ( 7 1 ∕ 4 ) x + . . . . . is 460 , then x is equal to :
[5 Sep 2020 Shift 2]
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