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CUET · MATHS · PYQ PAPER 2023

Match List - I with List - II
List - IList - II
(A) \(\int \frac{d x}{a^2-x^2}\)(I) \(\frac{1}{2 a} \log \left|\frac{x-a}{x+a}\right|+C\)
(B) \(\int \frac{d x}{x^2-a^2}\)(II) \(\frac{1}{2 a} \log \left|\frac{a+x}{a-x}\right|+C\)
(C) \(\int \frac{d x}{x^2+a^2}\)(III) \(\sin ^{-1}\left(\frac{x}{a}\right)+C\)
(D) \(\int \frac{d x}{\sqrt{a^2-x^2}}\)(IV) \(\frac{1}{a} \tan ^{-1} \frac{x}{a}+C\)
Choose the correct answer from the options given below:

  1. A (A) - (I), (B) – (III), (C) – (II), (D) – (IV)
  2. B (A) - (II), (B) - (I), (C) - (IV), (D) – (III)
  3. C (A) - (III), (B) – (II), (C) – (I), (D) – (IV)
  4. D (A) - (IV), (B) – (III), (C) – (II), (D) – (I)
Verified Solution

Answer & Solution

Correct Answer

(B) (A) - (II), (B) - (I), (C) - (IV), (D) – (III)

Step-by-step Solution

Detailed explanation

(A) \( \int \frac{d x}{a^2-x^2} \) matches (II) \( \frac{1}{2 a} \log \left|\frac{a+x}{a-x}\right|+C \) (B) \( \int \frac{d x}{x^2-a^2} \) matches (I) \( \frac{1}{2 a} \log \left|\frac{x-a}{x+a}\right|+C \) (C) \( \int \frac{d x}{x^2+a^2} \) matches (IV)…