Write the equation of the circle whose diameter has endpoints (4,-2) and (-6,8).
1) (x+1)2+(y-3)2=200
2) (x-1)2+(y+3)2=50
3) (x-1)2+(y+3)2=52–√
4) (x+1)2+(y-3)2=52–√
5) (x+1)2+(y-3)2=50