Question

ajutati-ma rog frumos urgent acum

Answer 1

a) 6,9,12,15,18,21 ; ratia = 3 ;

-3,-5,-7,-9,-11,-13 ; r = -2 ;

1/2, 3/2, 5/2, 7/2, 9/2/, 11/2 ; r = 1

b) -3, 3, -3, 3, -3, 3, -3 ; r=-1

1/5, 1/10, 1/20, 1/40, 1/80, 1/160 ; r = 1/2 ;

6, 12, 24, 48, 96, 192 ; r = 2 ;