Jawabanmu

2014-01-31T14:18:56+07:00
X1=2, x2=-2 f (x) = a (x- 2)(x+2) =a (x- 2 )(x+2) y= a (x- 2)(x-+2) -11 = a (×-2)(×+2) -11 = a (0-2)(0+2) a = 4/11 Nanti tinggal disubstitusi Di y = a (×-2)(×+2)