(x−h)2+(y−x)2=x2passingthroughpoint(1,1)4(2,2)radius(x,y)=(−1,1)(2,2)(1−h)2+(1−k)2=12...........(1)(2−h)2+(2−k)2=12...........(2)(1−h)2+(1−k)2=(2−h)2+(2−k)21−2h+h2+1−2x+x2=h−4h+h2+h−k(x)2+2h+2k=6h+k=3...........(3)h=3−k.........(12)(1−(3−k))2+(1−k)2=1(k−2)2+(1−k)2=1k2+4−4k+1+k2−2k=12t2−6k+4=0k2−3k+2=0(k−2)(k−1)=0k=2,k=1fork=2h=3−2=1k=1,h=3−1=2for(h,k)=(2,1):(x−2)2+(y−1)2=12→(x−2)2+(y−1)2=12..........(3)for(h.k)=(1,2)(x−1)2+(y−2)2=12