Helpp ważne!!!!!!!
Dane są punkty A = (2,-1), B = (-3, 2), C = (1,1). Wtedy AB + CA =
A [4, -1] B. [4,1] C. [-4,-1] D.[-4,1]


Odpowiedź :

A = (2,-1)

B = (-3, 2)

C = (1,1)

AB = [-3-2,2+1] = [-5,3]

CA = [2-1,-1-1] = [1,-2]

AB+ CA = [-5+1,-2+3] = [-4,1]

Odp: D

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