A) a<4
B) 0<a<4
C) 0<a<2
D) a>4
Correct Answer: C
Solution :
[c] Parabola \[{{x}^{2}}=16y,\] axis is the y-axis, focus \[=(0,4)\] It is clear if point \[P(a,2a)\]lies interior region then ordinate \[\in (0,4)\Rightarrow 0<2a<4\Rightarrow 0<a<2\]You need to login to perform this action.
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