Zad.1
oblicz: (7-x)=2
2x+3<6
zad.2
A=(-2,3) B=(2,-6) C=(4,1)
Oblicz
A) [AB]+[CA]=
B) 2[BC]-[AB]=
ZAD.3
Sprawdz czy uIIv jeśli u=[-3,4] i v=[6,8]
u i v to wektory
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1.
7-x=2
x=5
2x+3<6
2x<3
x<3/2
3. nie sa rownolegle