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VA ROG MULT

13 x 13^3 x 13^5 x ... x 13^13 = 13^n^2
Gasiti n


Răspuns :

am aceeasi baza
deci

13^1+3+5+7+9+11+13 = 13^n^2

13^49 = 13^n^2
egalam puterile pt. ca avem aceaasi baza

49 = n^2

7^2 = n^2

n=7