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[SPAM] [obm-l] diferenca de distancias minimas



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*** Dar na reta r: 3x-y-1=0 um ponto P de maneira que a diferenca de suas
distancias aos pontos A(4,1) e B(0,4) seja maxima ***
No gabarito a resposta eh P=(2,5) , que eh o ponto no qual o angulo entre r
e PB eh igual ao angulo entre r e PA. Alguem poderia resolver o problema e
me dizer se esse resultado foi coincidencia ou se vale sempre ?

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*** Dar na reta r: 3x-y-1=0 um ponto P de maneira que a diferenca de suas distancias aos pontos A(4,1) e B(0,4) seja maxima ***<br>No gabarito a resposta eh P=(2,5) , que eh o ponto no qual o angulo entre r e PB eh igual ao angulo entre r e PA. Alguem poderia resolver o problema e me dizer se esse resultado foi coincidencia ou se vale sempre ?<br>

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