Q50 of 62 Page 11

9y2 – 4x2 = 36.


Dividing the equation by 26 on both sides, we have

= 1 ⇒ = 1

Comparing the equation with the standard equation = 1, we find that a = 2, b = 3 and c = = =

Therefore, the coordinates of the foci are (0, ± ) and that of the vertices are (0, ± 2). Also the eccentricity e = = and the length of the latus rectum = = = 9 units.

More from this chapter

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48
= 1

49
= 1

51
16x2 – 9y2 = 576.

52
5y2 – 9y2 = 36.