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u8=29
a.beda=5
jadi u1=
u5=a+(n-1)b=14
=a+(4)5=14
=a+20=14
=a. =-20+14
a. =-6
b.u12 = a+(n-1)b
=-6+(11)5
=-6+55 =49
c. -6,-1,4,9,14,19,24,29,34,39,44,49
u5= a+4b=14
___________-
3b=15
b=5
a= -6
B. u12=a+11b
u12= -6 + 55
u12 = 49
C. -6, -1, 4, 9, 14, 19, 24, 29, 34, 39, 44, 49