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CUET · MATHS · PYQ PAPER 2023

Area bounded between the parabola \(y=x^2-2\) and the line \(y=x\) in square units is:

  1. A \(\frac{9}{2}\)
  2. B \(\frac{11}{2}\)
  3. C \(\frac{7}{2}\)
  4. D 5
Verified Solution

Answer & Solution

Correct Answer

(A) \(\frac{9}{2}\)

Step-by-step Solution

Detailed explanation

\(x^2-x-2 = 0 \Rightarrow x=-1, 2\) \(A = \int_{-1}^{2} (x - (x^2-2)) dx = \int_{-1}^{2} (-x^2+x+2) dx\) \(A = \left[ -\frac{x^3}{3} + \frac{x^2}{2} + 2x \right]_{-1}^{2}\) \(A = \left( -\frac{8}{3} + 2 + 4 \right) - \left( \frac{1}{3} + \frac{1}{2} - 2 \right)\)…
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