September 2018 1 6 Report

1.wyznacz iloczyn korzystajac ze wzorow skroconego mnozenia.

a) (1+2x)(1-2x)

b) (3x²-1)²

c) (1-2x)³

2.rozwiaz rownanie

a. 2x⁴-8x³+6x²=0

b.5x²+2x⁴+x³=0

c. x³+5x²-x-5=0

d. 81x³-9x²-9x+1=0


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