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If the equation of the ellipse is `3x^2+2y^2+6x-8y+5=0` , then which of the following is/are true? a. `e=1/(sqrt(3))` b.Center is `(-1,2)dot` c.Foci are `(-1,1)a n d(-1,3)dot` d.Directrices are `y=2+-sqrt(3)`

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