Odpowiedzi

Najlepsza Odpowiedź!
2010-03-22T13:18:31+01:00
A1 = 3
a2 = 1,5
Oblicz S10
q = a2 : a1 = 1,5 : 3 = 1/2
S10 = a1*[1 - q¹⁰]/(1 - q)
S10 = 3*[ 1 - (1/2)¹⁰]/[1 -(1/2)] = 3*[1 - 1/2¹⁰]/(1/2] =
= 3*2*[1 - 1/1024] = 6*[1024/1024 - 1/1024] = 6*(1023/1024) =
= 3069/512 = 5 i 509/512
Odp. S10 = 3069/512