A.(x-4)/2=(y+1)/0=(z-3)/5 B.(x-4)/2=(y+1)/1=(z-3)/5 C.(x+4)/2=(y-1)/0=(z+3)/5 D.(x+4)/2=(y-1)/1=(z+3)/5
A.0.25 B.4 C.8 D.1
A.n=3,l=1,m=0 B.n=2,l=2,m=1 C.n=4,l=2,m=2 D.n=5,l=3,m=2