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Formula to find sum of nth …

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Formula to find sum of nth term of an AP.

    • Posted by Sumit Kumar 6 years, 9 months ago

    CBSE > Class 10 > Mathematics
    • 6 answers

    Shamanth Koggi 6 years, 9 months ago

    n/2 [ 2a + (n-1) d ] for last term n/2 [ a+ l]

    0Thank You

    Badshah Bhumihar 6 years, 9 months ago

    Sn=n/2(a+l)

    0Thank You

    Abcd Mmmm 6 years, 9 months ago

    An = n/2 +(a+(n_d))

    1Thank You

    Abcd Mmmm 6 years, 9 months ago

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

    0Thank You

    Janiya Banger 6 years, 9 months ago

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

    0Thank You

    Sheeja Menon 6 years, 9 months ago

    An= a+(n-1) * d

    0Thank You

    ANSWER
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