November 2018 1 27 Report

Dla jakich wartosci parametru k dziedzina funkcji f jest zbior liczb rzeczywistych?

a)

\sqrt{(5 - k)x^{2} + (k - 2)x + 1}

b)

\frac{2x+5}{\sqrt{kx^{2} - 5x + 5k}}


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