September 2018 2 119 Report
Bantu yah,, buat besoknih,,,

jika sistem persamaan y= ax²-4x+5, y = 2ax²+2x-4 tidak mempunyai anggota himpunan penyelesaian , maka nilai a adalah........

a. a<-2
b. a<-1
c. a<1
d. -2 e. a≥-1
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