pierwiastkiem wielominanu W(x)=x^3-mx^2-3x+m jest liczba -2.
wyznacz parametr m
Dzięki
w(-2)=-8-4m+6+m=-3m-2
-3m-2=0
-3m=2
3m=-2 /3
m=-2/3
W-2=-8-4m+6+m=-3m-2
-3=-2/3
x=-2/3
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w(-2)=-8-4m+6+m=-3m-2
-3m-2=0
-3m=2
3m=-2 /3
m=-2/3
W-2=-8-4m+6+m=-3m-2
-3m-2=0
-3m=2
-3=-2/3
x=-2/3