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Determinati n daca 2 la puterea n+3 + 2 la puterea n+1 +2 la puterea n=88

Răspuns :

^ =la puterea 

2^n+3+2^n+1+2^n=88

2^n(2^3+2+1)=88
2^n · 11 = 88
2^n=8 = 2^3
n=3
^ =la puterea 

2^n+3+2^n+1+2^n=88

2^n(2^3+2+1)=88
2^n · 11 = 88
2^n=8 = 2^3
n=3