CUET · MATHS · PYQ PAPER 2023
Area bounded by \(x=\frac{y^2}{4}\) and its latus rectum is:
- A \(\frac{2}{3}\) sq. units
- B \(\frac{8}{3}\) sq. units
- C \(\frac{1}{3}\) sq. units
- D 2 sq. units
Answer & Solution
Correct Answer
(B) \(\frac{8}{3}\) sq. units
Step-by-step Solution
Detailed explanation
The parabola is \(y^2 = 4x\). The latus rectum is \(x=1\). Intersection points: \(y^2 = 4(1) \implies y=\pm 2\). Area \(A = \int_{-2}^{2} \left(1 - \frac{y^2}{4}\right) dy\). \(A = 2 \int_{0}^{2} \left(1 - \frac{y^2}{4}\right) dy\).…
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