April 2019 0 33 Report
Wyznacz iloczyn korzystając ze wzorów skróconego mnożenia

a) (x^{2} +1) (x+1) (x-1)

b) (\sqrt{2} -x) (\sqrt{2} +x) (x^{2} +2)

c) (2x+1) (4x^{2} +1) (1-2x)

d) (x^{2} -2x+1) (x+1)^{2}


pomocy
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