Question
If the ellipse x24+y21=1 meet the ellipse x21+y2a2=1 in four distinct points and a=b2−10b+25, then the value b does not satisfy
Answer: Option D
:
D
For the two ellipse to intersect at four different points
1<a2⇒1<(b−5)2⇒b/ϵ[4,6]
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:
D
For the two ellipse to intersect at four different points
1<a2⇒1<(b−5)2⇒b/ϵ[4,6]
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