Jawabanmu

2017-02-19T13:33:13+07:00
Dik : S10 = 1.023
r = 2
Dit : a?
Jawab :
Sn = \frac{ a(r^n -1)}{r-1}
1023 =  \frac{ a(2^1^0 -1)}{2-1}
1023 = a(1024-1)
1023 = a(1023)
a =  \frac{1023}{1023}
a = 1

Mohon maaf apabila ada kesalahan
1 5 1