Question

12 la puterea n + 3 la puterea n+1 X 4 la puterea n+2 =    calculeaza.

Answer 1

[tex]12^{n}+3^{n+1}\cdot4^{n+2}=12^{n}+3^{n}3^14^{n}4^2=\\ 12^n+3^n4^n3\cdot16=12^n+12^n48=12^n(1+48)=12^n\cdot49[/tex]