" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
[
tex] r^{3} = 8[/tex]
r = = 2
a= 12/4 = 2
S10 = 10/2 (2.2 + (10-1)2)
= 5 (4 + 18)
= 110
9. U2 = a+ b = 46
U5 = a+4b = 34
-----------------------(dikurang)
-3b = 12
b = 12/ -3 = -4
U2 = a + b = 46
a + (-4) = 46
a= 46+4 = 50
U25 = a + 24b = 50 + 24 x (-4) = 50 - 96 = -46
afwan jika salah