1/2 + 3/4 + 7/8 + ...... + 4095/4096 = ??

a. 43025/4096
b. 45057/4096
c. 44039/4096
d. 41071/4096

• (1-1/2) + (1-(1/2)^2) + (1-(1/2)^3) ... (1-(1/2)^12)
  12 - (1/2 +(1/2)^2 + (1/2)^3 ..)
  12 -(1/2)*(1-(1/2)^12)*2
  
  
• 9 years agoHelpfull: Yes(0) No(0)