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Simplification
If 1 + (1/2) + (1/3) + ... + (1/20) = k, then what is the value of (1/4) + (1/6) + (1/8) + ... + (1/40)?
k/2
2k
(k – 1)/2
(k + 1)/2
Correct Answer:
(k – 1)/2
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