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Find the sum of the series …

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Find the sum of the series 5+7+9+10+13+13+17+16+.......... to 60 terms?

    • Posted by Shally Bangarh 2 years ago

    CBSE > Class 10 > Mathematics
    • 3 answers

    Bhoomi Mandoliya 2 years ago

    Sn=n/2(2a+(n-1)d here a=5 d 2 so = 60/2( 2x5+60-1) 2=30(10+118) = 30x 128=3840

    1Thank You

    Vivek Prajapati 2 years ago

    Pahale d check Karo sahi hai ki nahi

    2Thank You

    Ashish Sparsh 2 years ago

    As Sn=n/2(2a+(n-1)d) Here, a=5 d=7-5=2 So, S⁶⁰=60/2(2×5+(60-1)2) =30(10+118) =30×128 =3840

    0Thank You

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