1.

If sum upto (n+1) terms for series C01⋅2+C12⋅3+C23⋅4+⋯ is represented by Sn+1, then the value of S2021 is<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->(Here, Cr= nCr)

Answer»

If sum upto (n+1) terms for series C012+C123+C234+ is represented by Sn+1, then the value of S2021 is

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->

(Here, Cr= nCr)



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