December 2018 1 69 Report
Akar2 persamaan kuadrat (x+1)^2 = 36 - x^2 adalah alfa dan beta. Persamaan kuadrat baru yg akar2nya (alfa+beta-3) dan 2/5(alfabeta) adalah ...
a.x2-11x-28=0
b.x2+11x-28=0
c.x2-11x+28=0
d.x2+11x+28=0
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