1.

If Sk=1+2+3+4+...+kk, find the value of S21+S22+S23+...+S2n. Also, determine ∑(Snn).

Answer»

If Sk=1+2+3+4+...+kk, find the value of S21+S22+S23+...+S2n.

Also, determine (Snn).



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