1 votes 1 votes $(2)^{\frac{n}{2}} + (4)^{\frac{n}{4}} + (8)^{\frac{n}{8}}$ +--------------------- please share your approach Engineering Mathematics series-evaluvation + – sumit goyal 1 asked Jan 20, 2018 sumit goyal 1 425 views answer comment Share Follow See all 9 Comments See all 9 9 Comments reply Show 6 previous comments Mk Utkarsh commented Jan 20, 2018 reply Follow Share yeah right nothing to do here :| 0 votes 0 votes MiNiPanda commented Jan 20, 2018 reply Follow Share :P sumit goyal from where do get such series!! 0 votes 0 votes Mk Utkarsh commented Jan 20, 2018 reply Follow Share Sumit going to be next Ramanujan :p 2 votes 2 votes Please log in or register to add a comment.