Question

Ajutor.
Aflati x din
1+3+5+7+...+x=16 la puterea 1006

Answer 1

Notez x=2n+1
1+3+5+...+2n+1=2n*n /2 =n² ,deci n² = $16^{1006}$ => n=$16^{503}$ = $2^{2012}$
Deci x= 2*$2^{2012}$ +1 = $2^{2013} +1$ .