January 2019 2 20 Report
Oblicz stosując wzory skróconego mnożenia
a) (2x+1)²
b) (1+4x)²
c) (2-x)²
d) (1/2x-4)²
e) (3x-1)(3x+1)
f) (2-5x)(2+5x)
g) (√2-x)(√2+x)
h) (2√3+2x)(2√3-2x)
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