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Verified answer
Materi : Persamaan Kuadratdiketahui :
x²-6x +P =0
a=1 , b = -6 dan c = p
A+B = -b/a = 6
A×B = c/a = p
A B A B membentuk barisan geometri maka
rasio --->B/A = A/B
B² = A²
B = ± A
untuk B = A maka
A + B = 6
2A = 6
A = 3
Jadi B = 3
A× B = p
3×3 = p
p = 9
Untuk B = -A
maka
A+ B = 6
A-A = 6
0= 6
tidak memenuhi
jadi nilai p = 9