MCQ
A conic-section is an ellipse if :
- A$e=0$
- ✓$e<1$
- C$e>1$
- D$e=1$
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$[A]$ $2 a, 4,1$ $[B]$ $2 a, 8,1$ $[C]$ $a, 4,1$ $[D]$ $a, 4,2$
$ (1+p) x-p y+p(1+p)=0, $
$ (1+q) x-q y+q(1+q)=0,$
and $y=0$, where $p \neq q$, is