求椭圆焦点坐标x²+2y²=1
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求椭圆焦点坐标x²+2y²=1
求椭圆焦点坐标x²+2y²=1
求椭圆焦点坐标x²+2y²=1
x²+2y²=1
x²+y²/(1/2)=1
c²=1-1/2=1/2
所以c=√(1/2)=√2/2
所以焦点坐标是(-√2/2,0),(√2/2,0)
a方=1,b方=1/2.又因为a*a=b*b+c*c,c=正负二分之根号三
(1,0.5)