floidthen
8 posts


@itb1920s subtitusiin aja nderr buat cari b dulu, kan kurva f(x) lewat (1,6), jadinya 6=1²-b(1)+11 pindah ruas => 6-11-1=-b => -6 =-b, b = 6
dapet f(x)=x²-6x+11, masukkin (a,3) buat cari a => 3=a²-6a+11, pindah ruas => -8=a²-6a langsung aja nder kira" aja, nanti dapet a =2, maka ab =2x6=12

Indonesia
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