赞 Graceheart 幼苗
共回答了22个问题采纳率：95.5% 举报
G(x,y)
k(AB)=0.5
k(AB)*k(PG)=-1
0.5*(y-yP)/(x-xP)=-1
xP=x+0.5y-0.5yP
k(PB)*k(AG)=-1
[(yP-1)/(xP-2)]*[(y+1)/(x+2)=-1
(1+y)yP =2x+y+5-(2+x)xP=2x+y+5-(2+x)*(x+0.5y-0.5yP)
yP=
xP=
yP=(xP)^2
k(AB)=0.5
k(AB)*k(PG)=-1
0.5*(y-yP)/(x-xP)=-1
xP=x+0.5y-0.5yP
k(PB)*k(AG)=-1
[(yP-1)/(xP-2)]*[(y+1)/(x+2)=-1
(1+y)yP =2x+y+5-(2+x)xP=2x+y+5-(2+x)*(x+0.5y-0.5yP)
yP=
xP=
yP=(xP)^2
1年前
1
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