Let S_k = … If …A, then A is equal to :

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Sequences and Series

JEE Main 2019 · 12 Jan, Morning shift · Q5307

MathematicsEasy178×since 2002Q5307

Let S_k =

{{1 + 2 + 3 + .... + k} \over k}.

S_1^2 + S_2^2 + .....\, + S_{10}^2 = {5 \over {12}}

A, then A is equal to :

JEE Main 2019 · 12 Jan, Morning shift · Q5307

MathematicsEasy178×since 2002Q5307

Let S_k =

{{1 + 2 + 3 + .... + k} \over k}.

S_1^2 + S_2^2 + .....\, + S_{10}^2 = {5 \over {12}}

A, then A is equal to :