October 2018 2 18 Report

Rozwiąż nierówności:

Zad2.86

a) x²+5>0

b) -x²-1≤0

c) -2x²-1<0

Zad2.88

a) 2x²-x≤0

b)1/2x²-5x<0

Zad2.92

a) x²+2x-3>0

b) -2 x²+9x-9<0

c) -3x²+7x-2≥0

Proszę o Pomoc !! Pilne !!!


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