" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Mapel = MatematikaKelas = 9 SMP
Bab = Barisan dan Deret
Kode mapel = 9.2.6
Diketahui :
U1 = -7 (a)
U6 = 18
Beda = (U6 - U1) / (6-1)
Beda = ( 18 - (-7) / 5
Beda = 25 / 5
Beda = 5
Sn = n/2 (2a + (n-1) b)
S50 = 50/2 (2 (-7) + (50-1)5 )
S50 = 25 (-14 + 245)
S50 = 25 (231)
S50 = 5775
Semoga membantu :)