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JEE Main & Advanced Mathematics Sequence & Series Question Bank Numerical Value Type Questions - Progressions

  • question_answer
    Find sum of the series \[S=1+\frac{1}{2}\left( 1+2 \right)+\frac{1}{3}\left( 1+2+3 \right)+\frac{1}{4}\left( 1+2+3+4 \right)+....\]Upto 20 terms.

    Answer:

    115.00


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