Question

Сократите дробь: 20^n+2/2^2n+3*5^n+1

Answer 1

$frac{ (4*5)^{n+2} }{ 2^{2n+3} 5^{n+1} }= frac{ 2^{2n+4} 5^{n+2}}{ 2^{2n+3} 5^{n+1} }=2*5=10$