Question

曲线方程一怎么由一般式化为标准式,比如：x ^2+2x-y+3=0,3x^2-y^2+6x+2y-1=o,

Answer 1

x ^2+2x-y+3=0 (x+1)^2=(y-2)

3(x+1)^2-(y-1)^2=3 (x+1)^2 -(y-1)^2 /3 =1