MadaR21 MadaR21

04-04-2017
Matematică

a fost răspuns

3la puterea x + 3 la puterea x+1 = 36 . rez. in multimea nr reale

Răspuns :

Albatran Albatran

04-04-2017

3^x91+3)=36
3^x * 4=36
3^x=36:4
3^x=9
3^x=3^2
x=2

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