Answers

2014-03-10T22:49:20+08:00
A=2
a²=4
LR=2b²/a where LR= 1 and a=2
1=2b²/2
1=b²  or  b²=1
 
(x-h)²/a²+(y-k)²/b²=1
so the equation of the ellipse is
(x+3)²/4+(y-1)²=1
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