2 zadania , wszystko w załączniku .
11.
liczby pierwsze: 2, 3, 5, 7
12.
a) x² - 4 = (x - 2)(x + 2)
b) 6x³ - 3x = 3x(2x² - 1) = 3x(√2x - 1)(√2x + 1)
c) x³ - 2x² + 2x - 4 = x²(x - 2) + 2( x - 2) = (x - 2)(x² + 2)
1.
Liczby pierwsze: 2, 3, 5, 7,
2.
(x²-4)=(x-2)(x+2)
6x³-3x=3x(2x²-1)=3x(√2x-1)(√2x+1)
x³-2x²+2x-4=x²(x-2)+2(x-2)=(x²+2)(x-2)
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11.
liczby pierwsze: 2, 3, 5, 7
12.
a) x² - 4 = (x - 2)(x + 2)
b) 6x³ - 3x = 3x(2x² - 1) = 3x(√2x - 1)(√2x + 1)
c) x³ - 2x² + 2x - 4 = x²(x - 2) + 2( x - 2) = (x - 2)(x² + 2)
1.
Liczby pierwsze: 2, 3, 5, 7,
2.
(x²-4)=(x-2)(x+2)
6x³-3x=3x(2x²-1)=3x(√2x-1)(√2x+1)
x³-2x²+2x-4=x²(x-2)+2(x-2)=(x²+2)(x-2)