jee-advanced 2025 Q6

jee-advanced · India · paper2 4 marks Areas Between Curves Area Involving Conic Sections or Circles
Let $S$ denote the locus of the mid-points of those chords of the parabola $y ^ { 2 } = x$, such that the area of the region enclosed between the parabola and the chord is $\frac { 4 } { 3 }$. Let $\mathcal { R }$ denote the region lying in the first quadrant, enclosed by the parabola $y ^ { 2 } = x$, the curve $S$, and the lines $x = 1$ and $x = 4$.
Then which of the following statements is (are) TRUE?
(A)$( 4 , \sqrt { 3 } ) \in S$
(B)$( 5 , \sqrt { 2 } ) \in S$
(C)Area of $\mathcal { R }$ is $\frac { 14 } { 3 } - 2 \sqrt { 3 }$
(D)Area of $\mathcal { R }$ is $\frac { 14 } { 3 } - \sqrt { 3 }$
Let $S$ denote the locus of the mid-points of those chords of the parabola $y ^ { 2 } = x$, such that the area of the region enclosed between the parabola and the chord is $\frac { 4 } { 3 }$. Let $\mathcal { R }$ denote the region lying in the first quadrant, enclosed by the parabola $y ^ { 2 } = x$, the curve $S$, and the lines $x = 1$ and $x = 4$.

Then which of the following statements is (are) TRUE?

\begin{center}
\begin{tabular}{|l|l|}
\hline
(A) & $( 4 , \sqrt { 3 } ) \in S$ \\
\hline
(B) & $( 5 , \sqrt { 2 } ) \in S$ \\
\hline
(C) & Area of $\mathcal { R }$ is $\frac { 14 } { 3 } - 2 \sqrt { 3 }$ \\
\hline
(D) & Area of $\mathcal { R }$ is $\frac { 14 } { 3 } - \sqrt { 3 }$ \\
\hline
\end{tabular}
\end{center}