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Cristianrobert
a fost răspuns

5^n+1+2*5^n+5^n+2
3^n+1+2*3^n+5^n+2
Simplificati fractia pana obtineti fractie iredctubila

Răspuns :

=(5^nx5+2x5^n+5^nx5²)/(3^nx3+2x3^n+3^nx3²)=
=5^n(5+2+25)/3^n(3+2+3²)=
=5^nx32/3^nx14=(5^nx16)/(3^nx7)=5^(n+16)/3^(n+7)

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