1,5 ; 3; 6
b₁=1.5 b₂=3
q=b₂/ b₁ = 3/1,5 =2
b₇= b₁*qⁿ⁻¹ = 1.5 * 2⁷⁻¹ =1,5 *2⁶ =1,5* 64 =96
S= (b₁*(1-qⁿ)) /(1-q) = (1,5*(1-2⁸))/(1-2) = (1,5*( 1-256) /(-1) = -1,5 *(-255) = 382,5
1,5 ; 3; 6
b₁=1.5 b₂=3
q=b₂/ b₁ = 3/1,5 =2
b₇= b₁*qⁿ⁻¹ = 1.5 * 2⁷⁻¹ =1,5 *2⁶ =1,5* 64 =96
S= (b₁*(1-qⁿ)) /(1-q) = (1,5*(1-2⁸))/(1-2) = (1,5*( 1-256) /(-1) = -1,5 *(-255) = 382,5