Mahima posted an Question
September 13, 2020 • 15:06 pm 30 points
  • IIT JAM
  • Mathematics (MA)

Is if the series n' n 90 then the value of the series 90

3 Answer(s) Answer Now
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    Deepak singh 1 best-answer

    see attached solution

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    sir i have a doubt if the question is (summation 3 to infinity) what will we add to summation 1 to infinity

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    my language is not so good, I am from kerala

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    wait

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    if there is n=3 to infinity...

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    Piyush pachauri best-answer

    PFA.

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    Any doubt then you can ask.

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    sir, can you explain the summation rule. i dont know how to convert summation in this prblm. You add 1+-1.can u explain with more example

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    1 ,I added can be considered the first term when n=1 , That's why summation changed from n=2 to n=1.

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    whatever is missing , you just add and subtract.

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