tentukan jumlah 6 suku pertama Pada deret ½+¼+⅛+...+½^n

Materi Deret Geometri

Diketahui
a = 1/2
r = 1/2
n = 6 [tex] \boxed{S_n = \frac{a(1-r^n)}{1 - r}}\\ \boxed{S_6 =\frac{\frac{1}{2} - (\frac{1}{2})^7}{1 - \frac{1}{2}}} \\ = \boxed{\frac{\frac{63}{128}}{\frac{1}{2}}} \\ = \boxed{\frac{63}{64}}[/tex]