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Formula pf Sn

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Formula pf Sn

    • Posted by Harsh Chahal 6 years, 11 months ago

    CBSE > Class 10 > Mathematics
    • 3 answers

    Augustya Singh 6 years, 11 months ago

    n/2(2a+(n-1)d)

    0Thank You

    Shreyanka Das 6 years, 11 months ago

    Another formula for Sn is n/2(a+an).............

    1Thank You

    D.J Alok 6 years, 11 months ago

    Sn= n/2{2a+(n-1)d}

    1Thank You

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