Объяснение:
b₁=3/2 ; q=b₂/b₁=1/(3/2)=2/3
S=b₁/(1-q)=(3/2)/(1-(2/3))=(3/2)/(1/3)=(3/2)*(3/1)=3*3/2=9/2=4.5
Объяснение:
b₁=3/2 ; q=b₂/b₁=1/(3/2)=2/3
S=b₁/(1-q)=(3/2)/(1-(2/3))=(3/2)/(1/3)=(3/2)*(3/1)=3*3/2=9/2=4.5