The equation of aparabola is $y^2=4x\dot{P}\left(1,3\right)$ and $Q\left(1,1\right)$ are two points in the $xy-plane\dot{}$ Then, for the parabola. (a)$P$ and $Q$ are exterior points. (b)$P$ is an interior point while $Q$ is an exterior point (c)$P$ and $Q$ are interior points. (d)$P$ is an exterior point while $Q$ is an interior point

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