-4^1 \sum from i=0 to 1 ((-1)^i/(1+i+1)^2 binomial(1,i) (1+2^(-1-i)))-4^1 \sum from i=0 to 1 ((-1)^i/(1+i+1)^2 binomial(1,i) (1+2^(-1-i)))

• Natural Language
• Math Input