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(-2,3) y (6,-1)
A(x,y) = [(-2 + 6) / 2] ; [(3 - 1) / 2]
A(x,y) = (2, 1)
Buscando las coordenadas del punto B:
M(4,3) ; N(0, -3)
r = MB / BN
Si MB = 3/4 , entonces BN = 1/4
r = (3/4) / (1/4)
r = 3
Utilizando la fórmula de la coordenada B que divide un segmento MN en una razón:
B(x,y) = (4) / (1 + 3) ; [3 + (-3)(3)] / 1 + 3
B(x,y) = (4 / 4) ; (0)
B(x,y) = (1, 0)
Vector AB:
AB = (1, 0) - (2, 1)
AB = (1 - 2 ; -1)
AB = (-1 ; -1)
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