CUET · MATHS · PYQ PAPER 2023
Area of the region bounded by the curve \(x^2=4 y, x\)-axis and \(x=3\) is:
- A \(\frac{9}{2}\) sq. units
- B \(\frac{9}{4}\) sq. units
- C \(\frac{9}{5}\) sq. units
- D \(\frac{9}{8}\) sq. units
Answer & Solution
Correct Answer
(B) \(\frac{9}{4}\) sq. units
Step-by-step Solution
Detailed explanation
Area \( = \int_{0}^{3} \frac{x^2}{4} dx \) \( = \frac{1}{4} \left[ \frac{x^3}{3} \right]_{0}^{3} \) \( = \frac{1}{4} \left( \frac{3^3}{3} - \frac{0^3}{3} \right) \) \( = \frac{1}{4} \left( \frac{27}{3} \right) \) \( = \frac{1}{4} (9) \) \( = \frac{9}{4} \) sq. units
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