Question

simplificati fractia 2la puterea n+2la puterean+1+2la puterean n+2+2la puterean+3 supra 3la puteren+1 +3la puterea n+2

Answer 1

(2^n+2^n.2+2^n.2²+2^n.2³)/(3^n.3+3^n.3²)=2^n(1+2+4+8)/3^n(3+9)=
2^n.15/3^n.12=5.2^n/4.3^n=5n2^(n-2)/3^n
^-la puterea