Question
The ends of latus rectum of parabola x2+8y=0 are
Answer: Option C
:
C
x2=−8y⇒a=−2. So , focus = (0,-2)
Ends of latus rectum = (4,-2) , (-4,-2) .
Trick: Since the ends of latus rectum lie on parabola , so only points (-4,-2) and (4,-2) satsify the parabola.
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:
C
x2=−8y⇒a=−2. So , focus = (0,-2)
Ends of latus rectum = (4,-2) , (-4,-2) .
Trick: Since the ends of latus rectum lie on parabola , so only points (-4,-2) and (4,-2) satsify the parabola.
Was this answer helpful ?
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