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60. Determinati, in fiecare caz, primul termen si ratia progresiei geometrice (3,) n21:
a) ba + b, = b2 - b, - b3 = 7;
6) 6-03=15,61-03=12;
c) b, + 4b2 = 9, b3 - b, = 3;


(ex. 60 doar a,b,c)


60 Determinati In Fiecare Caz Primul Termen Si Ratia Progresiei Geometrice 3 N21 A Ba B B2 B B3 7 6 60315610312 C B 4b2 9 B3 B 3 Ex 60 Doar Abc class=