Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6
Banner 7
Banner 8
Banner 9

Q.

If the equation of the ellipse is 3x2 +2y2 + 6x- 8y+ 5 = 0, then which of the following is/are true?

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
An Intiative by Sri Chaitanya

a

e=1/3

b

Center is (-1,2).

c

Foci are (-1, l) and (-1, 3).

d

Directrices are y=2±3.

answer is A.

(Unlock A.I Detailed Solution for FREE)

Detailed Solution

3x2+2y2+6x−8y+5=0 or (x+1)22+(y−2)23=1Therefore, the center is (-1,2) and the ellipse is vertical (since b>a).a2=2,b2=3  Now, 2=31−e2 or e=13The foci are (−1,2±be) and (−1,2±1) i.e., (-1, 3) and (-1, 1). The directrices are y=2±b/e or y = 5 and y =  -1.
Watch 3-min video & get full concept clarity
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon