PRZEDSTAW ROZNICE kwadratow w iloczyn. Zad w zalaczniku
b) (1/2x -2y) (1/2x + 2y)
c) (a- xy) (a+xy)
d) (2/3a -b) (2/3a +b)
Myśle że dobrze :D
b)1/4x² - 4y² = (1/2x+2y)(1/2x-2y)
c)a² - x²y² = (a - xy)(a+xy)
d)4/9a²-b²=(2/3a-b)(2/3a+b)
a² - b² = (a-b)(a+b)
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b) (1/2x -2y) (1/2x + 2y)
c) (a- xy) (a+xy)
d) (2/3a -b) (2/3a +b)
Myśle że dobrze :D
b)1/4x² - 4y² = (1/2x+2y)(1/2x-2y)
c)a² - x²y² = (a - xy)(a+xy)
d)4/9a²-b²=(2/3a-b)(2/3a+b)
a² - b² = (a-b)(a+b)