Question

Сократите дробь:      3^n*0.04^n-2    

                                       3^n-2*0.2^2n-3

 

Answer 1

 =3^n*0.02^2n-4/3^n-2*0.2^2n-3=3^n*3^2*0.2^2n*0.2^3/3^n*0.2^4*0.2^2n=3^2/0.2=9/0.2=45