👤
a fost răspuns

(1 supra 7) la puterea 2n+1 =1 supra 343

Răspuns :

(1/7)²ⁿ•(1/7)¹ = 1/343
(1/7)²ⁿ= 1/343 : 1/7
(1/7)²ⁿ= 1/343 • 7
(1/7)²ⁿ= 1/49
[(1/7)²]ⁿ= 1/49
(1/49)ⁿ= 1/49
n=1

Alte intrebari