Jawabanmu

2014-02-24T18:31:18+07:00
A) suku 1-5
U1 = 2(1)+1
= 3
U2 = 2(2)+1
= 5
U3 = 2(3) +1
= 7
U4 = 2(4)+1
= 9
U5 = 2(5)+1
=11

b) suku 1-5
U1=-2(1)
=-2
U2 =-2(2)
=-4
U3=-2(3)
=-6
U4 = -2(4)
=-8
U5=-2(5)
=-10
1 5 1