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Papilon20000
a fost răspuns

Determinati n apartine N :

1,3^n + 1,3^n+1 +2×1,3^n+2 = 5,68×1,69^4

Ofer coroana !!!

Răspuns :

MFM
1,3^n(1+1,3+2x1,3²) =5,68×1,69^4
1,3^nx5,68=5,68x1,69^4 | :5,68
1,3^n=(1.3²) ^4
1,3^n=1,3^8
n=8

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