CMR = $\frac{1}{1.2}$+$\frac{1}{3.4}$+$\frac{1}{5.6}$+…+$\frac{1}{49.50}$ = $\frac{1}{26}$ + $\frac{1}{27}$+….+$\frac{1}{50}$

Question

CMR = $\frac{1}{1.2}$+$\frac{1}{3.4}$+$\frac{1}{5.6}$+…+$\frac{1}{49.50}$ = $\frac{1}{26}$ + $\frac{1}{27}$+….+$\frac{1}{50}$

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Delwyn 4 years 2020-10-13T08:56:49+00:00 1 Answers 110 views 0

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  1. Adela
    0
    2020-10-13T08:58:03+00:00
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    `VT=1-1/2+1/3-1/4+…+1/49-1/50`

    `=(1+1/2+1/3+…+1/50)-2(1/2+1/4+…+1/50)`

    `=1+1/2+1/3+…+1/50-1-1/2-…-1/25`

    `=1/26+1/27+…+1/50=VP`

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