Question

2·2^2·2^3·2^4·....·2^25=

Answer 1

2^1+2*2^3*2^4*...2^25= 2^(1+2+3+...+25)= 2^25*(25+1)/2=2^25*26/2=
2^25*13=2^...faci inmultirea 
te-ai folosit de formula 1+2+3+...+n= n(n+1)/2, unde n este ultimul termen

Answer 2

[tex]2*2^2*2^3*2^4*....*2^{25}=2^{1+2+3+...+25}=2^{ \frac{(1+25)*25}{2} }=2^{325} [/tex]