Xp = -b/2a
= -1/2(-2)
= -1/-4
= 1/4
Yp = D/-4a
= (b² - 4ac)/-4a
= [1² - 4(-2)(15)] / -4(-2)
= [1 + 120] / 8
= 121 / 8
Koordinat titik puncak (1/4 , 121/8)
~sen
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Xp = -b/2a
= -1/2(-2)
= -1/-4
= 1/4
Yp = D/-4a
= (b² - 4ac)/-4a
= [1² - 4(-2)(15)] / -4(-2)
= [1 + 120] / 8
= 121 / 8
Koordinat titik puncak (1/4 , 121/8)
~sen