1.

श्रेणी `(1)/(2)+(3)/(4)+(7)/(8)+(15)/(16)`+...के n पदों का योग है-A. `2^(-n)`B. `2^(-n)(n-1)`C. `2^(n)(n-1)-1`D. `2^(-n)+n-1`

Answer» Correct Answer - D


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