Ini B bukan sih jawabannya? tadi hitung tapi takut salah tanda..tolong yaa (kayanya soalnya agak salah )
" Life is not a problem to be solved but a reality to be experienced! "
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Rubah Min (-)
y = x² - 8x + 12 = 0
(x - 2) (x - 6) = 0
L = x³/3 - 4x² + 12x batas x = 6 dan x = 2
L = 216/3 -144 + 72 - (8/3 - 16 + 24
L = 72 - 144 + 72 - (8/3 + 8)
L = 0 - (32/3)
L = 32/3 satuan luas ( luas tidak ada hasil negatif)