Korzystamy ze wzorów:
(a+b)^2 = a^2 + 2ab + b^2
(a-b)^2 = a^2 - 2ab + b^2
c)
(x-1/4)^2 = x^2 - 2 *1/4x +( 1/4)^2 = x^2 -1/2x +1/16
f)
(6x+1/2)^2 = (6x)^2 + 2*6x*1/2 +1^2 = 36x^2 + 6x +1/4
h)
(x^2 - 2y)^2 = (x^2)^2 - 2*x^2 8 2y +(2y)^2 = x^4 -4x^2 *y + 4y^2
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Korzystamy ze wzorów:
(a+b)^2 = a^2 + 2ab + b^2
(a-b)^2 = a^2 - 2ab + b^2
c)
(x-1/4)^2 = x^2 - 2 *1/4x +( 1/4)^2 = x^2 -1/2x +1/16
f)
(6x+1/2)^2 = (6x)^2 + 2*6x*1/2 +1^2 = 36x^2 + 6x +1/4
h)
(x^2 - 2y)^2 = (x^2)^2 - 2*x^2 8 2y +(2y)^2 = x^4 -4x^2 *y + 4y^2