BŁAGAM pomocy!!!!!
oblicz (pierwiastek z 2 x + 3y)2 =
5x2 - 16y2 =
1/9x2 - 1/6xy +1/16y2 =
(pierwiastek z 3x - 2y)2 =
25x2 - 7y2 =
1/16x2 - 1/10xy+1/25y2=
trzeba zastosować wzory skróconego mnożenia, HELP!!!
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oblicz (pierwiastek z 2 x + 3y)2 = 2x^2 +12 xy + 9y^2
5x2 - 16y2 = (pierw z 5 x - 4y)(pierw z 5x+4y)
1/9x2 - 1/6xy +1/16y2 = (1/3x - 1/4y)^2
(pierwiastek z 3x - 2y)2 = 3x^2 - 12xy + 4y^2
25x2 - 7y2 = (5x-pierw z 7y)(5x + pierw z 7y)
1/16x2 - 1/10xy+1/25y2= (1/4x - 1/5y)^2