Anku Asked a Question
January 4, 2021 4:34 pmpts 30 pts
how to solve pls once show step.....ans. is 1/2 as given in book
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  • Mahendra devanda Best Answer
    See this attachment
    • cropped882371043103294209.jpg
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  • Mahendra devanda
    See this attachment
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  • Rao thankyou
    option C
    • cropped1935380217786352258.jpg
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  • Mahendra devanda
    if u need solution then I will provide it some time
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    Anku
    okk sir. i want sol..
  • Mahendra devanda thankyou
    https://en.wikipedia.org/wiki/Telescoping_series
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  • Mahendra devanda
    answer is C. use telescopic series.
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