November 2018 1 5 Report

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
------------------
(x-1)²(x+2)²

c) f(x)= x²(x²-9)(9x²+6x+1)
------------------------
x(x²+6x+9)

d) f(x)= (4x-1)²(1-4x)²(x²+4+4)
----------------------------
(x²+4)(x+4)²


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