Materi : Baris dan Deret
Kelas : IX
U3 = a + 2b = 10
U7 = a + 6b = 22
__________ -
-4b = -12
b = 3
a + 2b = 10
a = 4
U30 = a + 29b
= 4 + 87
= 91
Sn = n/2 (a + Un)
S30 = 15 ( 95 )
S30 = 1.425
Mohon maaf apabila ada kesalahan
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Materi : Baris dan Deret
Kelas : IX
U3 = a + 2b = 10
U7 = a + 6b = 22
__________ -
-4b = -12
b = 3
a + 2b = 10
a = 4
U30 = a + 29b
= 4 + 87
= 91
Sn = n/2 (a + Un)
S30 = 15 ( 95 )
S30 = 1.425
Mohon maaf apabila ada kesalahan