Question

Rezolva exercitiul incercuit.

Answer 1

[tex]A=2^n\cdot 2^1\cdot 5^n\cdot5^2+2^n\cdot5^n-2^n\cdot 2^2\cdot5^n\cdot5^1\\ A=2^n\cdot5^n(50+1-20)\\ A=31\cdot2^n\cdot5^n=\ \textgreater \ A\vdots31[/tex]