" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
rasionya = U2/U1
= 10/15 = 2/3
Un = a * r^(n-1)
= 15 * (2/3)^(n-1)
2. deret aritmatika,
bedanya 2/3
Un = a + (n-1) b
= 1/3 + (n-1)(2/3)
U8 = 1/3 + 7*(2/3)
= 1/3 + 14/3
= 15/3 = 5
Semoga membantu