Question

VA ROG E URGENT EX. 11

Answer 1

2+2+2^2+2^3+...+2^301=

=1+(1+2+2^2+2^3+...+2^301)

=1+[2^(301+1)-1]

=1+2^302 -1

=2^302

R: b)

Am utilizat formula: 1+2+2^2+2^3+….+2^n=2^(n+1)-1