Page 16 - Barisan & Deret Kls 11 Math Wajib_Classical
P. 16
Ciri barisan aritmatika
Rasio (r) sama = −1
C o n t o h
= 2 2 −1 = = 2
? … −1 1
2 2 2 2 −1
= =
1 2 2 1 −1
2 3 8 = .
= =
2 1 2
= 4
