Q. 10 A5.0( 2 Votes )

# Find the ce

Given that we need to find the centre, lengths of axes, eccentricity and foci of the ellipse x2 + 2y2 - 2x + 12y + 10 = 0.

x2 + 2y2 - 2x + 12y + 10 = 0

(x2 - 2x + 1) + 2(y2 + 6y + 9) - 9 = 0

(x - 1)2 + 2(y + 3)2 = 9

Comparing with the standard form

Centre = (p,q) = (1, - 3)

Here a2>b2

eccentricity(e) =

Length of the major axis 2a = 2(3) = 6

Length of the minor axis 2b = = 3

Foci = (p±ae,q)

Foci =

Foci =

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