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Q.

Let E be the ellipse x29+y24=1 and C be the circle

x2+y2=9. Let P(1, 2) and Q(2,1) be two points, then 

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a

Q lies inside C but outside E

b

Q lies outside both C and E

c

P lies inside both C and E

d

P lies inside C but out side E

answer is D.

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Detailed Solution

C:x2+y29=0

E:x2/9+y2/41=0

Question Image

.

 

 

 

For P(1, 2), C:1+49<0, E:19+441>0

So P lies outside E and inside C.

For Q(2,1),C:4+19<0, E:49+141<0

So Q lies inside both C and E.

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