Bardzo ważne! :) Potrzebuje bardzo dobrą osobę z matematyki na priv. Jest to skrawek pracy semestralnej. Zadanie w załączniku
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Zadanie 1.
Zadanie 2.
Zadanie 3.
a)![x(x-6)^2(x+1)=0\\x=0\ \ \ \ x-6=0\ \ \ \ x+1=0\\x=0\ \ \ \ \ x=6\ \ \ \ \ \ \ \ x=-1 x(x-6)^2(x+1)=0\\x=0\ \ \ \ x-6=0\ \ \ \ x+1=0\\x=0\ \ \ \ \ x=6\ \ \ \ \ \ \ \ x=-1](https://tex.z-dn.net/?f=x%28x-6%29%5E2%28x%2B1%29%3D0%5C%5Cx%3D0%5C+%5C+%5C+%5C+x-6%3D0%5C+%5C+%5C+%5C+x%2B1%3D0%5C%5Cx%3D0%5C+%5C+%5C+%5C+%5C+x%3D6%5C+%5C+%5C+%5C+%5C+%5C+%5C+%5C+x%3D-1)
b)![x^3+5x^2-4x-20=0\\(x^3+5x^2)+(-4x-20)=0\\x^2(x+5)-4(x+5)=0\\(x+5)(x^2-4)=0\\(x+5)(x-2)(x+2)=0\\x=5\ \ \ \ x=2\ \ \ \ x=-2 x^3+5x^2-4x-20=0\\(x^3+5x^2)+(-4x-20)=0\\x^2(x+5)-4(x+5)=0\\(x+5)(x^2-4)=0\\(x+5)(x-2)(x+2)=0\\x=5\ \ \ \ x=2\ \ \ \ x=-2](https://tex.z-dn.net/?f=x%5E3%2B5x%5E2-4x-20%3D0%5C%5C%28x%5E3%2B5x%5E2%29%2B%28-4x-20%29%3D0%5C%5Cx%5E2%28x%2B5%29-4%28x%2B5%29%3D0%5C%5C%28x%2B5%29%28x%5E2-4%29%3D0%5C%5C%28x%2B5%29%28x-2%29%28x%2B2%29%3D0%5C%5Cx%3D5%5C+%5C+%5C+%5C+x%3D2%5C+%5C+%5C+%5C+x%3D-2)