akar” prsmaan px pangkat 2+6x+3=0 adlh x1 dan x2.jika nilai x1+x2=3 nilai dri (x1+x2)pangkat 2-6x1x2=…
Jawaban Terkonfirmasi
X1 . x2 = c/a = 3/p
x1 + x2 = -b/a = -6/p = 3
-6 : 3 = p -=> p = -2
xi . x2 = 3/-2 = -3/2
(x1+x2)² – 6x1x2
3² – 6(-3/2)
9 + 9 = 18