Jawabanmu

2014-03-26T19:07:05+07:00
U1 = - (1) +1 = 0
U2 = -(2) + 1 = -1
U3 = -(3) +1 = -2
U4 = -(4) + 1 = -3
U5 = -(5) + 1 = -4

jadi jawabannya b.
semoga membantu kak :)
2014-03-26T19:07:55+07:00
U1 = -(1)+1= 0
U berikutnya, ganti n dengan 2 3 4 5

jawaban b


1 2 1