Ile miejsc zerowych ma funkcja f ?
a) f(x) = (x2-1)(x2-4)(x2+9) / (x-1)2(x+2)2=
b) f(x) = x2(x2-2)(x-2)2 / x2-4x+4 =
c) f(x) = x2(x2-9)(9x2+6x+1) / x(x2+6x+9) =
d) f(x) = (4x-1)2(1-4x)2(x2+4x+4) / (x2+4)(x+4)2 =
*2- po nawiasie i iksie to kwasrat.
* / - znak dzielenia
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