callum-cook_609f07d67205c
callum-cook_609f07d67205c
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y=-3/4x+1 -3/4x-y+1=0 p (1;-2) d= l a.x+b.y+ c l / Raiz de (a²+b²) temos: x=1 y=-2 a=-3/4 b=1 c=1 d= l -3/4.1 + 1.-2 + 1l / Raiz de ( 9/16+ 1) d= l -3/4-1 l / Raiz de (25/16) d= l -7/4 l / 5/4 d= 7/4 / 5/4 d= 7/5