calcule a distancia entre as retas paralelas r e s nos casos:?
a) r:x+y+4=0 e s:x+y+2=0
b)4x+3y-10=0 e s:4x+3y+5=0
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a) r:x+y+4=0 e s:x+y+2=0
b)4x+3y-10=0 e s:4x+3y+5=0
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x+y+4=0.....=> A=1....B=1....C2=4.....C1=2
x+y+2=0
d=C2-C1/ VA²+B²
d=4-2 / V1²+1²
d=2/V2 . (V2/V2) =2V2/V4 = 2V2/2 = V2 #
4x+3y-10=0....=> A=4....B=3....C2=5....C1=-10
4x+3y+5=0
d=C2-C1/ VA²+B²
d= 5-(-10) / V4²+3²
d= 15 / V25 = 15/5 = 3 #