OpenStudy (watchmath):

Compute \[(2+1)(2^2+1)(2^{2^2}+1)\cdots (2^{2^{10}}+1)+1\]

6 years ago
OpenStudy (maya):

I need help please ∑1∞1/(2n+1)(2n−1)

6 years ago
OpenStudy (watchmath):

I posted my answer there :)

6 years ago
OpenStudy (anonymous):

the expression for this is \[2^{2^{11}}\] .

6 years ago