Page 20 - Barisan & Deret Kls 11 Math Wajib_Classical
P. 20
Ciri deret geometri
Ada simbol (+) Jumlah
2 + 4 + 8 + 1 6 + … = ℎ
= ( −1) , > 1
= = −1
1
= (1− ) , −1 ≤ ≤ 1
ℎ 1−
2 + 4 + 8 + 16 + … 4
?… = −1 = 2 = 2 = 2
4
1
4
Jwb 2(2 − 1)
=
4
= 2 2 − 1
2(16 − 1)
= 1 = 30
4
