Anku posted an Question
September 27, 2020 • 02:03 am 30 points
  • IIT JAM
  • Mathematics (MA)

Pls tell how orange part is comming..why not there n

pls tell how orange part is comming... . . . . . . . . ..

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  • Surojit das

    At the second line of the solution you can see that ,there are actually (n+1) terms,like [(n+0)^(-2)+(n+1)^(-2)+(n+2)^(-2)+.....+(n+n)^(-2)].That is the reason behind the orange part.

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