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Question Number 112195 by 675480065 last updated on 06/Sep/20

$$\underset{\mathrm{n}=1}{\sum ^{11}}\frac{{(-1)}^{\mathrm{n}+1}(4\mathrm{n}+2)}{4\mathrm{n}(\mathrm{n}+1)}$$$$\mathrm{please}\mathrm{help}$$

Answered by MJS_new last updated on 06/Sep/20

$$\mathrm{simply}\mathrm{calculate}\mathrm{it}!{\mathrm{it}}^{\prime }\mathrm{s}\mathrm{only}\mathrm{the}\mathrm{sum}\mathrm{of}11$$$$\mathrm{numbers}...$$

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