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Prove that (C1)/1-(C2)/2+(C3)/3-(C4)/4+....

Prove that `(C_1)/1-(C_2)/2+(C_3)/3-(C_4)/4+....+((-1)^(n-1))/n C_n=1+1/2+1/3+...+1/n`

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CENGAGE PUBLICATION-BINOMIAL THEOREM-All Questions
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