Question Number 137384 by BHOOPENDRA last updated on 02/Apr/21
Commented by hei last updated on 02/Apr/21
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Commented by Dwaipayan Shikari last updated on 02/Apr/21
$${Sorry}\:{that}\:{was}\:{a}\:{mistake} \\ $$$$\frac{\mathrm{1}}{\mathrm{1}.\mathrm{3}}+\frac{\mathrm{1}}{\mathrm{3}.\mathrm{5}}+\frac{\mathrm{1}}{\mathrm{5}.\mathrm{7}}+.. \\ $$$$=\frac{\mathrm{1}}{\mathrm{2}}\left(\mathrm{1}−\frac{\mathrm{1}}{\mathrm{3}}+\frac{\mathrm{1}}{\mathrm{3}}−\frac{\mathrm{1}}{\mathrm{5}}+\frac{\mathrm{1}}{\mathrm{5}}−\frac{\mathrm{1}}{\mathrm{7}}+....\right) \\ $$$$=\frac{\mathrm{1}}{\mathrm{2}} \\ $$
Commented by BHOOPENDRA last updated on 02/Apr/21
$${Ans}.{is}\:{not}\:{correct}\:{sir}\:...{how}\:{can}\:{you}\:{proceed}\:{that}\:{way} \\ $$
Commented by BHOOPENDRA last updated on 02/Apr/21
$${incorrect}\:{sir}\:{read}\:{the}\:{question}\:{again} \\ $$